Entries by CAI ICIA

Clay Minerals

Clay minerals are a group of minerals that are typically found in soils, sediments, and rocks. They are characterized by their small particle size, which is typically less than 2 […]

Tremolite

Tremolite,Campolungo, Piumogna Valley, Switzerland Tremolite from Franklin, Sussex Co., New Jersey, United States Tremolite is a silicate mineral and member of the amphibole group. Chemical formula is Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2. A calcium […]

Zircon

Zircon, scientifically known as zirconium silicate (ZrSiO4), is a mineral prized for its versatility and wide-ranging applications. With its remarkable resistance to heat, corrosion, and chemical alteration, zircon finds use […]

Lazurite

Lazurite, pyrite, calcite Lazurite is a member of sodalite group in feldspathoid mineral also it is tectosilicate with formula is (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)]. A sodium calcium aluminosilicate, lazurite is the main component […]

Anthophyllite

The name anthophyllite comes from the Latin word anthophyllum, which means “clove”—a reference to the mineral’s clove-brown to dark brown color. Specimens can also be pale green, gray, or white. […]

Glaucophane

The Glaucophane mineral is named after two Greek words: glaukos, which means “bluish green”; and phainesthai, which means “to appear.” Specimens can be gray, lavender blue, or bluish black. Crystals […]

Nepheline

Nepheline – USGS Mineral Specimens Nepheline is the most common feldspathoid mineral in the world, its name from the Greek word nephele, which means “cloud” a reference to the fact […]

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 of the clear waters of the […]

Biotite

Biotite is the most common mica mineral and also known as black mica, a silicate mineral in the common mica group. Approximate chemical formula K (Mg, Fe). It can be […]

Mica Group Minerals

Muscovite schist_mica Mica Minerals Contents Mica Group Minerals Classification of Mica Group Minerals Dioctahedral micas Trioctahedral micas Occurrence of Mica Group Minerals Production Crystal Structure Properties of Mica Group Minerals Uses […]

Anorthoclase

Anorthoclase minerals is member of the sodium- and potassium-rich feldspar group takes its name from the Greek word anorthos, which means “not straight”—a reference to its oblique cleavage. Anorthoclase is […]

Natrolite

Haineaultite-Analcime-Natrolite Bombay Quarry, Mumbai District (Bombay District), Maharashtra, India Natrolite is a tectosilicate mineral belong to zeolite group members.Its formula Na2Al2Si3O10 • 2H2O. A hydrated sodium aluminosilicate, natrolite takes its […]