Tektites are one of the most mysterious and most hotly-debated rock types on earth. Their origin remains an unsolved mystery after several hundred ...
Apple Green Calcite. Each piece is approx. 2"" x 2"" x 1"". Calcite is truly one of the best collection type minerals.
Calcite," which gets its name from ""chalix"" the Greek word for lime", is a most amazing and yet, most common mineral.
Calcite," which gets its name from ""chalix"" the Greek word for lime", is a most amazing and yet, most common mineral.
Fluorite (calcium fluoride) comes in an amazing array of colors. It is commonly found in purple, blue, green, yellow, and clear, but can also occur ...
From a rare find in the Viburnum, Trend, Missouri comes this extra-small specimen of Massive Galena (a lead sulfide), the most important ore mineral ...
These are nice bags of beautiful amethyst quartz. It is some of the deepest purple amethyst.
These are nice bags of tumbled lapis lazuli. They are nice to have as stones to carry with you or give as gifts.
These are nice bags of tumbled amazonite. They are nice to have as stones to carry with you or give as gifts.
These are nice bags of tumbled clear quartz. There are around 15 to 25 pieces per bag.
These are nice bags of fluorite octahedrons. There are around 10 to 15 pieces per bag.
These are nice bags tumbled hematite. There are around 12 to 20 pieces per bag.
These stones are called polished amethyst quartz windows because they are tumbled amethyst quartz that has had a window cut on one face that is ...
Calcite is truly one of the best collection type minerals. There are lots of interesting forms and varieties as well as colorful and beautiful ...
Bornite is an important copper ore mineral. It does however get used in the mineral trade as a curiosity called ""peacock ore"". A favorite among ...
These Lamna obliqua Shark's Tooth from the Eocene Epoch are 37.5 to 54 million years old.
These fossilized Cleoniceras Ammonites are 140 million years old and were found in Mahajanga, Madagascar.
This mini geode half shows lots of color and mineral variation.
Quartz (silicon dioxide) is the most abundant single mineral on earth.
Amethyst is", perhaps, the best loved of all the quartz varieties. Its warm, purple glow is a favorite in home decorating, and it is widely used as a ...
Ancient Egyptians used the amethyst to guard against guilty and fearful feelings.
Rose Quartz – a member of the quartz family. Like all of the quartzes, this stone is a great channeller and transmitter.
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum is a soft mineral, hydrous calcium sulfate. Gypsum is the standard for hardness degree 2 on the Mohs mineral hardness scale.
Each piece of Kyanite is similar to the ones pictured. Kyanite is a polymorph with two other minerals; andalusite and sillimanite.
Each piece of Kyanite is similar to the ones pictured. Kyanite is a polymorph with two other minerals; andalusite and sillimanite.
This Piece of Hematite Pseudomorph after Magnetite is in amazing condition.
Location: Linwood Mine, Peru
Location: Solenhofen, Germany
Location: Wagoli, Ahmadnagar, Pune, Maharashtra, India
Location: Mapimi, Mexico
