Petrified Wood, Geodes, Crystals, Agates and Carvings

Page 6  Go To Page: [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] [ 11  

McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Cost

           Item Description

Click Picture
for Larger Image

$40.00

PR600b  This is a beautiful natural Copper decorator from from the Keweenaw Peninsula of Upper Michigan.  The beautiful solid Copper specimen has been smoothed, highly polished on the front surface and then covered with a clear coat to show the gorgeous natural Copper color.  The lovely piece measures almost 5 1/2" x 1 3/8" x nearly 2 7/8" tall and weighs nearly 1 1/2 pounds.  A very nice gift for anyone.

Another photo

Another photo

Another photo

Click here to view  more Native Copper specimens !!

Copper is a reddish colored metal with a high electrical and thermal conductivity.  It has its characteristic color because it reflects red and orange light and absorbs other frequencies in the visible spectrum due to its band structure.  It is in the same family as Silver and Gold and is a malleable metal.  It is beautiful natural or polished.

polished rock

Michigan Copper Decorator

$160.00

PR601c  Here is a beautiful piece of high quality Purple Amethyst with very sparkly accents.  This lovely piece measures 5 1/2" wide x 5 1/4" x 8 1/4" tall; weighs 8 3/4 pounds and has a super sparkly-shiny appearance.  This beautiful cluster has larger sized points throughout with nice Purple colors.  It is cut to stand up but can be displayed several ways.  Some of the tips around the edges show some damage but still absolutely gorgeous!

Another photo  Closer view

Another photo

Another photo

Another photo

Click here to view more Amethyst specimens!

Amethyst is a purple variety of Quartz often used as an ornament.  It occurs in color from a light, slightly pinkish violet to a deep grape purple.  Upon exposure to heat, Amethyst generally becomes yellow, which some refer to as Citrine or "burnt" Amethyst.  It is widely distributed as a mineral, but fine, clear specimens that are suitable for cutting as ornamental stones. 

polished rock

Amethyst

$40.00

PR602c  Here is a very nice Free Form made from Sandstone from Arizona.  It measures almost 8" x 1 7/8" wide x almost 6 7/8" tall and has natural unpolished finish with a good variety of desert colors.  A truly beautiful way to enhance your home or makes a cool gift.

Another photo

Another photo

Another photo

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.

polished rock

Sandstone

$50.00

PR603c  Here is something different for the mineral or polished rock collector.  This is a gorgeous specimen of Rhodochrosite.  The rock has a gorgeous dark Rose Pink color with various different pretty Pink shades in the excellent banding.  It measures 1 5/8" x 1 1/2" x almost 1 5/8" thick and has a nice polish on one side.   A very nice piece of a hard to find item.

Another photo

Another photo

Another photo

Rhodochrosite is a Manganese Carbonate mineral.  It is typically a rose-red color, but impure specimens can be shades of pink to pale brown.  It is used as a key component of low-cost stainless steel and certain Aluminum alloys.  Quality banded specimens are often used for decorative stones and jewelry, although it is relatively soft and difficult to cut.

polished rock

Rhodochrosite

$125.00

PR604b  This is something very nice from the Rock Shed's gift department.  This is a very nice quality double terminated Smokey Quartz Crystal from Brazil with landscape quartz qualities.  The Smokey Quartz has good clarity exhibiting the wonderful landscape inclusions.  This gorgeous piece measures 5 1/4" x nearly 2 5/8" x 2" and weighs nearly 1 1/4 pounds.  Still this specimen is unmatched from whatever direction you choose to view it. 

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.

polished rock

Smokey Quartz

$70.00

PR605b   This is an awesome specimen of Poly Chrome Jasper.  This piece is extremely colorful with many different shades of Green, Brown and Orange with a design found only in Poly Chrome Jasper.  It has a excellent polish on all sides except the bottom and measures nearly 3 5/8" x 3 1/4" x 5 3/4" tall.  This lovely piece of Poly Chrome Jasper makes a wonderful display item. 

Another photo

Another photo

Another photo

Jasper, or spotted stone, is an opaque, impure variety of Quartz that is usually red, yellow or brown in color.  Some Jaspers simultaneously exhibit several variants such as banding, flow patterns, dendrites or color variations.  This results in what appears to be scenes or images in a cut section of the Jasper.

polished rock

Poly Chrome Jasper

$80.00

PR606c  This is a very pretty Mozambique Agate Specimen.   It measures 7" x almost 4 1/2" x 5/8" thick and is highly polished on the front face.  This Agate has a really pretty red, pink and gray colors with an awesome Mozambique Agate design.  Very nice indeed.

Another photo 

Another photo   

Another photo

Agates mostly occur as nodules in volcanic rocks or waters containing Silica in solution which is possibly derived from the decomposition of Silicates in the lava.  The Siliceous matter is deposited in regular layers resulting in the banded or striped formation.  It is very unlikely that you would ever find an exact duplicate of any type of Agate, Brazilian or other.

polished rock

Mozambique Agate

$18.00

PR607c   This is a very nice Picture Sandstone slab from Arizona.  It measures over 4 1/4" x 3 3/8" x 3/8" and has a smooth, unpolished finish.  These slabs are very unique in shape and size and would enhance any mantle, desk top or wall.  It comes complete with a plastic display stand.

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.

sandstone slab

Picture Sandstone Slab

$80.00

PR608b  This is a great find!!  Here is a very nice, above average quality Labradorite specimen.  This specimen has a good color mix with a highly iridescent "blue-gold" shine in the light.  It measures nearly 5 1/8" wide x almost 2 1/8" x nearly 6 1/2" tall and has a good polish on all sides including the bottom.  This would make a great gift for the "hard to buy for" person. 

Another photo     

Another photo     

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.

polished rock

Labradorite

$45.00

PR609b  Here is a beautiful and unique example of a Las Choyas or Mexican Coconut Geode that has been cut and highly polished on the face.  This very pretty Geode has a nice bluish grey with good agate banding around a small gorgeous Quartz Crystal center.  The incomparable geode measures 3 7/8" x 3 3/4" x almost 2" thick and weighs over 1 1/4 pounds.  This lovely geode is from Chihuahua, Mexico.  Very, very nice!

Another photo 

Another photo

Another 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.

polished rock

Las Choyas Geode

$28.00

PR610b  This is a pretty, nice quality bowl made from Chinese Peacock Marble.  It measures 5 1/4" in diameter x almost 1 1/2" tall and is nicely polished.  It has an unique design which exhibits many lovely colors and designs in different areas of the bowl.  Definitely something special for that special, hard-to-buy for person.

Another photo

Another photo

Another photo

Peacock Marble is from Southwest China and formed in Limestone by heat and pressure in the earth's crust. Recrystallization during Himalaya formation caused the limestone to change in texture and makeup. Fossilized materials along with it's original carbonate minerals, recrystallized and formed large, coarse grains of calcite. Impurities present in the limestone during the recrystallization affected the mineral composition of the marble.  The minerals that result from the impurities give the marble up to ten different colors. The corresponding colors and minerals that can be found: Green - Serpentine; Purple - Manganese spar; Brown - Iron; Gray - Silicon Dioxide; Red - Hematite; Orange - Iron; White - Calcite; Violet - Iron Manganese; Yellow - Limonite; Blue - Copper, Cobalt, Chromium; Black - Carbon, Iron, Manganese. Peacock Marble is also called "seven color Jade" in local language.

polished rock

Peacock Marble Bowl

$55.00

PR611b  Here is an exceptionally nice, unique Petrified Wood specimen from Madagascar It has beautiful dark Red colors accented by Browns, Grays, Yellow and Cream on different sides or areas. The awesome specimen measures 4 3/4" tall x 3 3/8" x 2 1/4".   Petrified wood examples like this are extremely rare and hard to come by.  Just very, very nice!

Another photo

Another photo

Another photo

Petrified Wood is a type of a fossil as it consists of fossil wood where all the organic materials have been replaced with minerals while retaining the original structure of the wood.  These minerals are most often Silicates such as Quartz.  Other minerals, Manganese, Iron and Copper, in the water or mud during the petrification process give Petrified Wood a variety of color ranges: black - Carbon; green/blue - Copper; red/brown/yellow - Iron.  Petrified Wood can preserve the original structure of the wood in all its detail all the way down to the microscopic level.  Structures such as tree rings and the various tissues are often observed features.  Although Petrified Wood can be found worldwide, it is rather rare in larger quantities and at times can be difficult to obtain by the average collector.

polished rock

Petrified Wood

$28.00

PR612b   This is pretty Pakistani Onyx carved into a lovely bowl with a lid.  This nicely polished piece measures almost 4" in diameter x 2" tall including the lid with a great polish.  It has a good color scheme with a very nice design.  This unique item would make a great it would make a great gift or nice addition to any polished rock collection.

Another photo

Another photo

Another photo

Onyx is a banded variety of Calcite.  The colors of its bands range from white to almost every color except shades of purple, blue and black.  It is used for vases, bowls, beads, cabochons and other items.  This type of Onyx is found in Mexico and Pakistan.  It is often carved, polished and sold in a variety of different things. 

polished rock

Onyx

$26.00

PR613c   Here is a very cool Green Calcite Free Form from Mexico.  It has many, many crystals in various pretty shades of green accented by some Rhyolite that has a reddish color.  It measures 5 1/4" x nearly 4 3/4" x almost 2 7/8"; weighs 3 1/2 pounds and has a nice polish.  A very unique gift for someone special or add it to your own collection.

Another photo

Another photo

Another photo

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.

polished rock

Green Calcite

$110.00

PR614c   Here is something different from the gift department at the Rock Shed.  This is a very cool handcrafted knife with a Lepidolite Gemstone handle.  The attractive and fully functional folding pocket knife with two blades was handcrafted in South Dakota.  The gemstone handle is highly polished on all sides with it's amazing colors.  This lovely piece measures almost 3 1/2" long x nearly 1" wide x 9/16" thick.   A cool gift or just keep it for yourself.

Another photo   Closer view

Another photo

Another photo

Lepidolite is a lilac-grey or rose-colored member of the Mica group that is a secondary source of Lithium. It is one of the major sources of the rare alkali metals Rubidium and Caesium. Lepidolite occurs in Granite pegmatites, in some high temperature Quartz veins.

polished rock

Lepidolite Knife

$85.00

PR615c  This is a very nice large fossilized Coral specimen from South Dakota.   This very remarkable and interesting fossil shows great detail.  The face has been cut and nicely polished and has a simply amazing array of gorgeous colors under Short Wave ultraviolet light. This unique specimen measures approximately 8" x over 6" x 2 1/4" thick and weighs over 4 1/4 lbs. 

This lovely specimen was found in the South Dakota Badlands near the Cheyenne River. It was cut and polished in the Rock Shed's own Lapidary Department.  A must have for the fossil collector or an excellent gift for someone!

Be sure to click on the pictures at right to see the full size versions.

Another photo

Click here to buy Ultraviolet Lamps

coral

coral

South Dakota Fossil Coral

I'm on Page 6
Go to Page: 
[ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] [ 11 ]

Click on the link below if  you would like to get an idea of shipping cost on your package
Shipping Calculators

Ordering information and instructions

The Rock Shed
515 1st Street
Keystone, SD  57751

Hours: Monday - Saturday 9:00 AM to 6:00 PM
 Toll Free Order Line:  1-866-354-0894
Sunday 1:00 to 6:00 PM
 Information:  605-666-4813
email:  info@therockshed.com

Home
Long Gemstone Beads Short Beads I Amber & Necklaces I Bracelets I Earrings I Sterling Pendants
Rosaries I Fossils I Copal I Polished Rock
I Educational Kits I Bookends I Gold Specimens I Gallery
Hearts I Septarians I Spheres I Eggs I Minerals I Gemstone Lights I Books I Plastic Stands I Brass Stands
Rock Tumbler Page I Grit and Accessories I Tumbling  Rock I Rough Rock I Landscape Rock
Lapidary Grinders I Lapidary Saws I Diamond Blades I Agates I Findings I Clearance
Shipping Information I History I Auctions
I Pictures I Links