Chalcopyrite
Chalcopyrite is a mineral and ore of copper. Its chemical composition is CuFeS2, meaning it contains copper (Cu), iron (Fe), and sulfur (S). Chalcopyrite is one of the most important […]
Entries by CAI ICIA
Gypsum
Gypsum is a naturally occurring mineral that has been used by humans for various purposes for thousands of years. It is a versatile mineral with a wide range of applications […]
Halite
Halite, also known as rock salt or sodium chloride (NaCl), is a naturally occurring mineral that holds significant importance in various aspects of human life. This crystalline mineral is composed […]
Vermiculite
Vermiculite is a naturally occurring mineral that has gained significant attention due to its unique properties and various applications. It is a hydrated, laminar, and micaceous mineral belonging to the […]
Bornite (Peacock)
Bornite, commonly referred to as “peacock ore,” is a captivating mineral known for its striking and iridescent appearance. This mineral, composed primarily of copper iron sulfide (Cu5FeS4), draws its nickname […]
Nosean
Nosean, otherwise called Noselite, is a mineral of the feldspathoid type in tectosilicate with formula: Na8Al6Si6O24 (SO4). H2O. It frames isometric precious stones of variable shading: white, dim, blue, green, […]
Talc
Talc is a naturally occurring mineral known for its softness, smoothness, and ability to absorb moisture. It is a silicate mineral that is composed of magnesium, silicon, and oxygen. Talc […]
Rosasite
Rosasite is a secondary mineral that typically forms in oxidized zones of copper-zinc ore deposits. It is chemically composed of copper zinc carbonate hydroxide, with the formula CuZnCO3(OH)2CuZnCO3(OH)2. This mineral […]
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 “cuprite” is derived from the Latin […]
Rhodochrosite
Rhodochrosite is a carbonate mineral with formula: MnCO3. It has a classic rose-pink color, but specimens can also be brown or gray. It forms dogtooth or rhombohedral crystals like calcite, […]
Uraninite
Uraninite is a mineral that is primarily composed of uranium oxide. It is a significant ore of uranium, which is an important element used for nuclear power generation and in […]
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 […]