Fluorapatite, often with the alternate spelling of fluoroapatite, is a phosphate mineral with the formula Ca53F. Fluorapatite is a hard crystalline solid. Although samples can have various colors, the
Fluorapatite (pink) on top of muscovite (green)
Fluorapatite grains in carbonate groundmass. Photomicrographs of thin section from Siilinjärvi apatite ore.
Fluorapatite. São Geraldo do Baixio, Doce valley, Minas Gerais, Brazil.
Muscovite is a hydrated phyllosilicate mineral of aluminium and potassium with formula KAl22. It has a highly perfect basal cleavage yielding remarkably thin laminae which are often highly elastic. Sh
Fluorapatite
…Fluorapatite Fluorapatite (pink) on top of muscovite (green) General Category Phosphate mineral Apatite group Formula Ca5(PO4)3F IMA symbol Fap Strunz classification 8.BN.05 Crystal system Hexagonal Crystal…
Muscovite with albite from Doce valley, Minas Gerais, Brazil (dimensions: 6 × 5.3 × 3.9 cm)
Structure of muscovite, viewed in the [100] direction (along the layers of the crystal)
Muscovite with beryl, from Afghanistan