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Item
Description
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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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$12.00 |
M120b
This is a compact hand held and easy to carry microscope with a battery
powered LED lamp. It has an
adjustable 45x eye lens for viewing. We really like this scope for
an easy to use up close look of small crystals and things. The microscope comes complete in a handy storage
or carrying case.
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45X Microscope w/ LED
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$40.00 |
M101b
Here is a very beautiful combination of Apophyllite,
Stilbite and Calcite from
an unknown location in India. This Zeolite is a
natural beauty that has many single Crystal points of different sized
with several "petal" like formations of smaller pale pink crystals
interspaced between the larger Crystals. The gorgeous specimen measures
nearly 6" x almost 4" x over 3 3/4".
This is a very wonderful example of nature at its best.
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Apophyllite, 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.
Stilbite is another Silicate mineral from the Zeolite family.
It is often characterized by its sheaf like aggregates. The color is
usually white or pink 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. |
Apophyllite - Stilbite -
Calcite Cluster
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$20.00 |
M105b This is
a great find!! Here is an extra nice quality specimen of
Labradorite. It measures nearly 3 1/4" tall x over 3 3/8"
wide x 2"
thick
and has a good polish on one surface with the balance left natural. This specimen has a super color
mix with a highly iridescent shine that can be seen on the unpolished
surfaces as well. This would make a great gift for
the "hard to buy for" person.
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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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$10.00 |
M112c
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 nearly 3 1/2" x almost 2 5/8" x 2 1/4" and has a natural
sparkly appearance. Close observation in bright sunlight will reveal
the blue iridescent areas of the moonstone.
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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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$24.00 |
M106c
This is a smaller, but very pretty specimen of unpolished Botryoidal
Malachite from Africa. It measures almost 4 1/2" x 3 1/8" x
nearly 1 7/8" and has
a natural botryoidal appearance. This is a natural specimen just as
it occurred in nature.
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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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$25.00 |
M100c This is
a Spanish Pyrite specimen from Navajun Mine, Piritas De Navajus S.L.,
Spain. This cool specimen has a nice quality Pyrite cube in
matrix. The cube measures 13/16" x 11/16" x 11/16" and rests in
matrix measuring almost 2 7/8" x 2 3/8" x 1 5/8" overall.
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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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$40.00 |
M107c Here
is a very nice Hemimorphite mineral specimen from Wenshan, Yunnan Province
in China. It measures nearly 3 1/2" x 2 3/4" x over 1
3/4" with
gorgeous aqua blue colored bubbly looking crystals covering much of the
surface mixed in with a grey colored matrix. Make it an addition to your collection today.
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Hemimorphite is
a sorosilicate mineral that is chiefly associated with Smithsonite.
It commonly forms crystalline crusts and layers and also massive, granular,
rounded aggregates or finely shaped clusters of crystals. It may fluorescence
a strong green in UV short wave light and weak pink in UV long wave light.
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Hemimorphite
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$40.00 |
M108c
Here is something different for the mineral collector. This is a
larger, very unique Aragonite specimen. It measures nearly 6 1/2" x
3 1/4" x 2 3/8" 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.
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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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$20.00 |
M113b This is a nice quality and beautiful specimen of
polished Malachite from Zaire, Africa. The overall size of specimen is 2"
x 1 3/4" x almost 1 1/4". The Malachite is highly polished on the top side and has a good
variety of green colors with a natural cavity
on the bottom. Very nice!
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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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$200.00 |
M116C
Here is a larger, above average quality Tourmalated Quartz
Crystal. It measures approximately 5" x 3 1/2" x 2 1/2 high" and has
not been polished. It weighs just about 2.5 lbs. This unique piece
has several different Tourmalines with a very large pristine greenish hue
Tourmaline measuring 1 3/4" by 1/2" There is a small chip
on the point of the crystal. Just absolutely gorgeous!!
Another photo Backside
Another photo Showing large
Tourmaline
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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Tourmalated Quartz Crystal
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$275.00 |
M121B Here is a gorgeous larger specimen of Vanadinite on
matrix. It measures 9" x over 3 1/2" x 3" and weighs nearly 6lbs. This
piece has many bright Red and burnt Orange colored hexagonal Vanadinite
crystals of all sizes. This is a beautiful work of nature and is
absolutely stunning. This mineral is from Morocco.
Another photo Showing crystals
better
Another photo Showing crystals
better
Click
here to view more Vanadinite!
Vanadinite is a mineral belonging to the Apatite group of Phosphate
minerals. It is one of the main industrial Ores of the metal Vanadium and
a minor source of Lead. Vanadinite is relatively uncommon and is
associated with Galena, Wulfenite, Limonite and Barite. It is usually
bright red or orange-red in color although it may sometimes be brown,
red-brown, grey, yellow or colorless. |
Vanadinite |
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$25.00 |
M102b
This is a different mineral for the avid mineral collector. Here
is a nice Copper Brown Aragonite specimen. It measures 5 3/4" x
2 7/8"
x nearly 3 3/4" and has a natural sparkly appearance. This is an unique mineral
with interesting design and character. The specimen is from Serfou, Morocco.
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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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$18.00 |
M109c
Here is a very nice interesting specimen of an Apatite crystal from the
Yates Mine, Otter Lake, Quebec, Canada. It has a pretty green color
mixed with purple. It
measures almost 1 5/8" x over 2 3/8" x 1 3/8" and has a natural
texture and finish. This fantastic material makes a excellent
addition to any collection. Another photo
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Apatite is a part of the phosphate group of minerals that was formed
in igneous rocks and in metamorphosed limestone. Apatite is translucent
or transparent and usually green in color but can be colorless, white, yellow,
bluish, reddish, brown or purple.
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Apatite
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$60.00 |
M117c
Here is an above average quality specimen of Hemimorphite Crystals
setting on a dark Rust base of Limonite. It measures 6" x
nearly 4 1/4" x over 3" 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. Another photo
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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.
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.
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Hemimorphite-Limonite
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$7.00 |
M103c Here is a
very nice Picture Sandstone slab from Arizona. It measures almost 3
3/8" x nearly 2 1/2" x 3/8" thick 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.
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Click here for more
Sandstone like this
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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$12.00 |
M104c Here is a
very nice Dugway Geode specimen from an unknown location. It
measures almost 2 3/4" x 2 5/8" x over 1 1/8" and is a lovely pale blue
tinted grey color inside. This pretty Geode fluoresces a cool green
color under short
wave UV light. This specimen is a beautiful work of nature.
Another photo
Another UV photo
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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