Gahnospinel is a mineral belonging to the spinel group, which is a class of minerals with the general formula ABâ‚‚Oâ‚„. In gahnospinel, A represents a divalent metal cation, typically zinc […]
Kornerupine is a mineral that belongs to the cyclosilicate group. It is composed of aluminum, boron, and magnesium, with the chemical formula (Mg,Fe)3Al6(Si,Al,B)5O21(OH). The mineral typically occurs in shades of […]
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 as a phyllosilicate. The chemical formula […]
Andradite is a mineral that belongs to the garnet group, which is a diverse family of silicate minerals. Garnets are well-known for their beautiful and varied colors, making them popular […]
Dendritic opal is a fascinating and visually striking form of opal that is known for its unique and intricate dendritic or tree-like patterns within its translucent or opaque matrix. Definition […]
Brazilianite is a rare and highly valued gemstone named after its country of origin, Brazil. It is a phosphate mineral that belongs to the apatite group. Brazilianite is known for […]