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
