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:
Variscite
Variscite is a term used to describe a type of mineral that belongs to the group of aluminum phosphate minerals. It is characterized by...
Diaspore (Zultanite)
Diaspore, also known as Zultanite or Csarite, is a unique and relatively rare mineral that belongs to the oxide mineral group. It is valued...
Cerussite
Cerussite is a mineral that belongs to the carbonate group. It is composed of lead carbonate (PbCO3) and has a relatively high lead content....
Cuprite
Cuprite is a mineral that belongs to the oxide mineral group. It is composed of copper(I) oxide, with the chemical formula Cu2O. The name...
Cassiterite
Cassiterite is a mineral composed of tin oxide (SnO2) and is the primary ore of tin. It has a high density and a hardness...
Tourmaline
Tourmaline is a fascinating gemstone that is known for its wide range of colors and unique properties. It is a crystalline mineral composed of...
Benitoite
Benitoite is a rare and beautiful gemstone that was first discovered in California, United States. It is known for its striking blue color and...
Carborundite
Carborundum, also known as silicon carbide (SiC), is a crystalline compound composed of silicon and carbon. It was first discovered in the late 19th...
Selenite
Selenite is a beautiful and versatile mineral that belongs to the gypsum mineral family. It is composed of hydrous calcium sulfate and is known...
Jade
Jade is a mineral that is highly prized for its beauty and has been treasured for centuries in many cultures around the world. It...
Aquamarine
Aquamarine is a beautiful gemstone and a variety of the mineral beryl. It is highly prized for its stunning blue to greenish-blue color, reminiscent...
Bloodstone or Heliotrope
Bloodstone, also known as heliotrope, is a unique and distinctive gemstone that has captivated people for centuries. It is a form of chalcedony, a...
