Minerals
A mineral is a naturally occurring chemical compound usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids. The study of minerals is called mineralogy. To meet the definition of “mineral” used by most geologists, a substance must meet five requirements:
Banded Amethyst
Banded Amethyst is a specific variety of amethyst, which is a violet to purple variety of quartz. What sets Banded Amethyst apart is its...
Chalcanthite
Chalcanthite is a mineral with the chemical formula CuSO₄·5H₂O. It belongs to the sulfate mineral group and is a hydrated copper sulfate. The name...
Poudretteite
Poudretteite is a rare and valuable gemstone that belongs to the spodumene mineral group. It is named after the Poudrette family, owners and operators...
Dragon Bloodstone
Dragon's Blood stone, also known as Dragon's Blood jasper or Dragon Bloodstone, is a type of green jasper with red or deep green splotches....
Stichtite
Stichtite is a mineral that is known for its striking violet to pinkish-purple color. It is a relatively rare mineral and is often found...
Ajoite
Ajoite is a rare mineral that is known for its stunning blue-green color. It belongs to the silicate mineral group and is specifically classified...
Dalmatian Jasper
Dalmatian Jasper, also known as Dalmatian Stone or Dalmatian Agate, is a unique and visually distinctive variety of chalcedony, which is a form of...
Silver Sheen Obsidian
Silver Sheen Obsidian is a type of volcanic glass that exhibits a silver or silvery-blue sheen or chatoyancy when light reflects off its surface....
Cavansite
Cavansite is a relatively rare and striking mineral known for its vibrant blue color. The name "cavansite" is derived from its chemical composition, as...
Rainbow Obsidian
Rainbow Obsidian is a type of volcanic glass that exhibits a captivating play of colors when exposed to light. It is a variety of...
Mahogany Obsidian
Mahogany Obsidian is a type of volcanic glass that is formed during the cooling and solidification of molten lava. It belongs to the broader...
Pumpkin Obsidian
Pumpkin Obsidian is a type of natural glass that is formed when lava high in silica content cools quickly. It is a variety of...
