Crystal Encyclopedia

Staurolite

Staurolite is a mineral that is known for its unique crystal shape and its association with metamorphic rocks. The name “staurolite” comes from the Greek words “stauros” meaning “cross” and “lithos” meaning “stone,” referring to the characteristic cruciform or cross-shaped crystals that can be found in some specimens. These distinctive crystals have made staurolite a […]

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 “chalcanthite” is derived from the Greek words “chalkos,” meaning copper, and “anthos,” meaning flower, due to its characteristic blue crystal formations that resemble flowers. Chemical Composition: Copper (Cu): Chalcanthite is primarily […]

Gibbsite

Gibbsite is a naturally occurring mineral form of aluminum hydroxide with the chemical formula Al(OH)₃. It belongs to the hydroxides and oxides mineral class and is one of the three main components of bauxite, the primary ore of aluminum. Gibbsite appears as colorless to white or gray crystals, often displaying a pearly luster and typically […]

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. This unique appearance is caused by the presence of tiny, needle-like inclusions of minerals such as feldspar or cristobalite within the obsidian. Obsidian itself is an igneous rock that forms when […]

Childrenite

Childrenite is a relatively rare mineral that is composed of basic iron aluminum phosphate. It belongs to the phosphate mineral group and is often found in association with other minerals, such as lazulite and wavellite. The mineral is named after the English mineralogist Arthur Herbert Churchward Children, who contributed significantly to the study of minerals. […]

Chrysocolla

Chrysocolla is a mineral that belongs to the silicate mineral group. It is often found in association with other secondary copper minerals, such as malachite, azurite, and cuprite. Chrysocolla is known for its vibrant blue-green or green color, which is reminiscent of turquoise. It is named after the Greek words “chrysos,” meaning gold, and “kolla,” […]

Ant Hill Garnet

Ant Hill Garnets are a variety of garnet, specifically pyrope garnet, which are primarily red in color. What makes them remarkable is not just their vibrant, deep red hue, but also the way they are found. These garnets are typically brought to the surface by ants constructing their underground nests. As ants dig through the […]