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:
Boracite
Boracite is a mineral that belongs to the borate group and is known for its unique crystal structure and a variety of interesting properties....
Adamite
Adamite is a mineral that belongs to the arsenate class of minerals. Its chemical formula is usually written as Zn<sub>2</sub>(AsO<sub>4</sub>)(OH), indicating its composition of...
Sapphirine
Sapphirine is a relatively rare mineral known for its captivating blue color and distinctive crystal structure. It belongs to the family of silicate minerals...
Powellite
Powellite is a mineral that belongs to the broader group of minerals known as molybdates and tungstates. It is specifically classified as a calcium...
Ceruleite
Ceruleite is a beautiful and relatively rare mineral that belongs to the secondary copper mineral group. It is known for its stunning blue color...
Haüyne
Haüyne is a rare and visually striking mineral that belongs to the group of minerals known as sodalite group feldspathoids. It is characterized by...
Stolzite
Stolzite is a mineral that belongs to the tungstate mineral group. Its chemical formula is PbWO4, which indicates that it is composed of lead...
Rubellite
Rubellite is a captivating and highly prized gemstone that belongs to the tourmaline family. Renowned for its vibrant shades of pink to red, rubellite's...
Smoky Quartz
Smoky quartz is a captivating variety of the mineral quartz, celebrated for its enchanting smoky-gray to brown coloration. This gemstone derives its name from...
Neptunite
Neptunite is a rare mineral that belongs to the silicate mineral group. Its chemical formula is KNa2Li(Fe2+,Mn2+)2Ti2(Si4O12)2O2(OH)4, which highlights its complex composition. Neptunite is...
Chicken-Blood Stone
Chicken-Blood Stone, also known as "Ji Xue Shi" in Chinese, is a unique and highly prized gemstone that holds cultural and aesthetic significance, particularly...
Boleite
Boleite is a rare and stunning mineral that belongs to the halide class. It is renowned for its striking blue coloration and distinct cubic...