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$3.75 |
M115b
This is a Folding loupe which magnifies your gems or minerals to 10 times
their actual size. This eye loupe is travel size -- perfect for carrying to
tradeshows and markets. |
10X - Eye Loupe
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$5.50 |
M119b
This is a compact and easy to carry folding, magnifier loupe with three 5X
lenses which is great for 5X, 10X, or 15X magnification with a slide of the
lens. The powerful 5X glass lens provides true total 15X magnification.
Unlimited uses in home, office, home, jewelry, etc. It is made of heavy
durable black plastic. |
15X - Eye Loupe
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$7.00 |
M118b
This is a compact and easy to carry magnifier loupe with two lenses, a 12mm/20x
magnification and an 18mm/10x magnification. It is made of chrome-plated
metal with glass lenses. Comes complete in a handy storage case. |
10X - 20X Eye Loupe
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$35.00 |
M105b
This is a great find!! Here is a larger, extra nice quality specimen
of Labradorite. It measures 4 1/4" x 3 1/4" x 2 1/4" and has a good polish.
This specimen has a super color mix with a highly iridescent shine.
This would make a great gift for the "hard to buy for" person.
Another photo.
Labradorite is a Feldspar mineral that occurs in large Crystal masses
in anorthosite and shows an iridescence or "play of colors." Gemstone
varieties of Labradorite exhibiting a high degree of iridescence are Spectrolite,
Moonstone and Sunstone. High quality samples with good iridescent qualities
are desired for jewelry.
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Labradorite
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$125.00 |
M113c
This is a nice quality and beautiful specimen of polished Malachite from Zaire,
Africa. The overall size of specimen is 6" x 5" x 1 1/4". The Malachite is
polished on all sides including the bottom, so if you get tired of looking
at it one way, you can flip it over and admire it from another view.
See the other photo to see what I mean.
Another photo.
Malachite is a Copper Carbonate mineral that often forms botryoidal,
fibrous or stalagmitic masses. It is often the result of the weathering
of Copper Ores and is commonly found with Azurite, Goethite and Calcite.
It is typically associated with Copper deposits including Limestone which
is the source of the Carbonate. Malachite is found in many regions world
wide and is usually shaded green in color.
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Malachite
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$18.00 |
M112b
Here is a very different mineral to add to your mineral collection.
This is a very nice quality Moonstone and Biotite specimen from India. The mineral
measures 5 1/2" x 5" x 3 1/4" and has a natural sparkly appearance.
Close observation in bright sunlight will reveal the blue iridescent areas
of the moonstone.
Another photo.
Another photo.
Moonstone is a typical Potassium Aluminum Silicate with several commonalities
with the Feldspar family. It's name is derived from the visual effect
or sheen that is caused by light reflecting internally and externally from
the layer inclusions of different Feldspars. Moonstone is closely related
to Sunstone, Labradorite and Sodalite.
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Moonstone
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$22.00 |
M106c
This is a smaller, but very pretty specimen of unpolished
Botryoidal Malachite from Africa. It measures 3 1/4" x 2 1/4" x 1" tall and has a natural botryoidal
appearance. This is a natural specimen just as it occurred in
nature.
Another photo.
Malachite is a Copper Carbonate mineral that often forms botryoidal,
fibrous or stalagmitic masses. It is often the result of the weathering
of Copper Ores and is commonly found with Azurite, Goethite and Calcite.
It is typically associated with Copper deposits including Limestone which
is the source of the Carbonate. Malachite is found in many regions world
wide and is usually shaded green in color.
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Malachite
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$60.00 |
M101b
Here is a very beautiful Tourmaline and Crystal Quartz
specimen. It measures 3" x 3" x 3". This is a natural beauty
that has many single Crystal points with several "petal" like formations of
black Tourmaline interspaced between the Crystals. This is a very wonderful
example of nature at its best. This material is from China.
Tourmaline is one of the most chemically complicated of all Silicate minerals.
It is a complex Silicate of Aluminum and Boron and the composition varies
widely with Sodium, Calcium, Iron, Magnesium, Lithium and many other elements
that enter into it's structure. It can occur in a long, slender needle-like
crystal to a thick prismatic and columnar crystal to a radial like daisy formation.
It comes in many colors usually black and brown (iron rich); brown and yellow
(magnesium rich); and blue, red, green, yellow, and pink (lithium rich).
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Tourmaline-Crystal Quartz
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$20.00 |
M107b Here
is a Galena-Pyrite-Quartz combination mineral specimen. It measures
2" x 2" x 1" with a very unusual shape and design. This is a one-of-a-kind
mineral. Make it an addition to your collection today.
Galena is the natural mineral form of Lead Sulfide. It is the
most important Lead ore mineral and is one of the most abundant and widely
distributed sulfide minerals. It is often associated with Sphalerite,
Calcite and Fluorite. Galena deposits often contain significant amounts
of Silver, Zinc, Cadmium, Antimony Arsenic and Bismuth. It is used as
a semiconductor in early wireless communication systems. It is usually
dark grey to black in color with a shiny iridescence.
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Galena
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$35.00 |
M100c A Spanish
Pyrite specimen from Navajun Mine, Piritas De Navajus S.L., Spain. This
specimen consists of 1 nice quality Pyrite cube with a smaller Pyrite cube
in matrix. The larger cube measures approximately 1/2" x 5/8" x 3/8"
in size and the smaller cube measures 1/8' x 1/8". They rest in a matrix
measuring 1 3/4" x 2 1/2" x 1 1/2".
Pyrite, or Iron Pyrite, is an Iron sulfide with isometric Crystals that
usually appear as cubes. It is brittle and can break or powder easily.
Its metallic luster and brass yellow hue have earned it the nickname of "fool's
gold" due to many miners mistaken it for the real thing. Ironically,
small quantities of actual gold are sometimes found in Pyrite. It is
the most common of the sulfide minerals and is usually found with other sulfides
or oxides in Quartz veins, sedimentary or metamorphic rocks.
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Spanish Pyrite
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$25.00 |
M114b This is an interesting
mineral combination! Here is an Apophyllite-Stilbite mix. This fantastic
mineral measures 4 1/2" x 3 1/2" x 2" and has a super sparkly appearance.
A great way to begin your mineral collection with a smaller collection all
in one!!
Another photo.
Stilbite is another Silicate mineral from the Zeolite family.
It is often characterized by its sheaf like aggregates. The color is
usually white and when the cleavage is perfect, will have a distinct pearly
luster.
Apophyllite, also a Zeolite, is Silicate mineral with very well defined
clear Crystals and is very popular as a collector's mineral. The Crystal
structure will refract like in obvious rainbows and can form "natural pyramids"
when tumbled.
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Apophyllite-Stilbite
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$32.00 |
M108b
Here is something different for the mineral collector. This is a
larger, very unique Aragonite specimen. It measures 4" x 4" x 2" and
has a natural White color. This material has an interesting shape and
lots of sparkly character. The material is usually formed in the ocean and
will resemble Coral. Another photo.
Aragonite is a Carbonate mineral that can occur in conjunction with
Calcium Carbonates. Aragonite differs from Calcite in the formation
of the Crystal shapes which can be in lattice, crystal, columnar or fibrous
in many different designs, shapes and sizes. Aragonite will form in
mollusk shells, oceans and salt water caves as inorganic precipitates called
marine cements and speleotherms. Ammolite is a form of Aragonite with
impurities that make it iridescent and valuable as a gemstone.
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Aragonite
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$12.00 |
M111b
Here is something different for the mineral collector. This
is a two (2) piece set of Iron Garnets. The Garnets will range in size
from 1" - 2+" and have a natural rough textured appearance. They have
a dark Rusty Brown color. Only a few sets are available so grab one
while you still can. Unfortunately, we are unable to request sizes and
shapes. We ship them strait from the box we received them in.
Iron is a chemical element that can be lustrous and silvery in color.
It is considered to be a heavy metal and is the most abundant element in the
dense metal cores of planets such as the Earth. Iron is denoted for
its red color and the material will oxidize in water forming a rusty appearance
on the outside of the mineral.
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Iron Garnet
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$250.00 |
M116b
Here is a larger, above average quality Crystal Quartz cluster from
Arkansas. It measures approximately 9" x 10 1/2" x 3 1/2" and has not
been polished. This unique cluster has several different Crystal formations
including barnacles, cathedrals, lasers, manifests, tabular and one well defined
cross. This wonderful beauty comes with its own stand and is boxed and
ready to go to its new home. Another
photo.
Another photo.
Another photo.
Another photo.
Quartz is the second most common mineral in the Earth's continental
crust. It is mainly composed of Silica or Silica based minerals.
Although Quartz is known by a variety of names, the most important distinction
between types of Quartz is that of macro-crystalline, individual crystals
visible to the unaided eye, and micro-crystalline, where aggregates of crystals
are only visible under high magnification. There are many forms of Quartz
including Chalcedony, Amethyst, Citrine, and Carnelian which are results of
mineral impurities or heat treatments.
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Crystal Quartz
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$28.00 |
M102c
This is a different mineral for the avid mineral collector. Here
is a larger Copper Brown and White Aragonite specimen. It measures 4"
x 2 1/4" x 1 1/4" and has a natural sparkly appearance. This is an unique
mineral with interesting design and character.
Another photo.
Aragonite is a Carbonate mineral that can occur in conjunction with
Calcium Carbonates. Aragonite differs from Calcite in the formation
of the Crystal shapes which can be in lattice, crystal, columnar or fibrous
in many different designs, shapes and sizes. Aragonite will form in
mollusk shells, oceans and salt water caves as inorganic precipitates called
marine cements and speleotherms. Ammolite is a form of Aragonite with
impurities that make it iridescent and valuable as a gemstone.
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Aragonite
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$38.00 |
M109b
Here is a very nice, larger specimen of Calcite from India. It measures
8" x 3 1/2" x 2" and has a sparkly iridescent appearance. This mineral
is an unique combination as not only does it have a large specimen of White-Grey
spongy Calcite but also several well defined Stilbite Crystals and numerous,
Diamond shaped Crystals with Reddish Purple tips. Absolutely AMAZING!!
Another photo.
Stilbite is another Silicate mineral from the Zeolite family.
It is often characterized by its sheaf like aggregates. The color is
usually white and when the cleavage is perfect, will have a distinct pearly
luster.
Calcite is a Carbonate mineral that is most widely distributed on the
Earth's surface. It is a common constituent of sedimentary rocks with
Limestone in particular. A Calcite formation can take on many different
shapes and sizes which is dependent on the location, ground water occurrence
and temperature. Calcite is usually white or colorless but can be gray,
red, yellow, green, blue, violet, brown or black. The deeper the color
is usually indicative of the definitive impurities from the earth or water.
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Stilbite-Calcite
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$45.00 |
M117b
Here is an above average quality of a larger specimen of Hemimorphite Crystals
setting on a dark Rust base of Limonite. It measures 6 1/2" x
3 3/4" x 2" with a natural rough appearance and many differently shaped translucent
Grey and Clear Crystals. A different mineral for the different collector.
This material is from Mexico. Limonite is an ore consisting of a
mixture of hydrated Iron Oxide-Hydroxide of varying composition of minerals
such as Goethite, Lepidocrocite, or Jarosite. It has been mined with
Hematite as an Ore for the production of Iron. Limonite is heavy and has a
yellow-brown color. It is often used as the pigment ochre in many paints.
Hemimorphite is a mineral that has been mined with Zinc and Lead ores
and is associated with Smithsonite. Some specimens will show a strong
green fluorescence in short wave UV light and weak light pink fluorescence
in long wave UV light. This mineral can be found world wide.
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Limonite-Hemimorphite
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$8.00 |
M103b Here is a very
nice, smaller Picture Sandstone slab from Arizona. It measures 2"
x 4 3/4" x 3/8" and has a smooth, unpolished finish. These slabs are very
unique in shape and size but would enhance any table or desk top. It
comes complete with a plastic display stand.
Sandstone is a sedimentary rock composed mainly of sand size mineral
or rock grains. Most Sandstone is composed of Quartz and/or Feldspar
because these are the most common minerals in the earth's crust. It
can be almost any color. The Sandstone beds often form highly visible
cliffs and are strongly identified with certain regions of the world.
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Picture Sandstone Slab
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$12.00 |
1K12
This is a Mineral Collection Kit. Enclosed is 18 different identified specimens.
They are, Amazonite, quartz, agate, alabaster, fossiliferous limestone, fluorite,
gold ore, marble, pyrite, calcite, jasper, obsidian, pumice, copper ore, lava,
Selenite, Lepidolite and variscite. The kit comes with a write up about
sedimentary, igneous and metamorphic rocks. Each specimen comes in its
own bag. This is a great learning item for kids. |
Mineral Collection Kit
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$16.00 |
M104b Here is a really
great find!! This is an extra nice, above average quality Dugway Geode
from Utah. It measures 3 1/4" x 2 3/4" x 1 7/8" and has a nice polish on
the front face. The inside of the cavity is lined with fine druzy Quartz Crystals.
Very pretty.
Geodes are geological rock formations which occur in sedimentary and
certain volcanic rocks. They are essentially rock cavities or vugs with
internal Crystal formations or concentric banding. The exterior is generally
Limestone while the interior contains Quartz Crystals and/or Chalcedony deposits.
If the Geode is completely filled with Crystal, being solid all the way through,
it is then called a nodule.
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Dugway Geode
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$24.00 |
M110b
Here is a very nice, above average specimen of Purple Fluorite in
a Sphalerite-Quartz matrix. This a good quality mineral measuring 3"
x 2" x 1 5/8" and has a rough, natural texture with sparkly iridescence.
The color is a deep Purple with an almost Black translucent appearance on
the opposite side.
Another photo.
Fluorite, also referred to as fluor-spar, is a mineral composed of Calcium
Fluoride. It is a widely occurring mineral found world wide and is often
found with metallic minerals such as Galena, Sphalerite, Barite, Quartz and
Calcite. Fluorite may fluoresce strongly in ultraviolet light which
may be due to the presence of some impurities such as Yttrium. Blue
is the most common color but red, purple, green, yellow and white are also
frequent. It can be used in high performance telescopes, camera lens,
enamels and in the making of opalescent glass.
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Fluorite
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