Detailed description, properties, and locality information guide about the precious gemstone and mineral diamond.
Feldspar is the mineral name given to a group of minerals distinguished by the presence of aluminum (Al) and the silica ion (SiO4) in their chemistry.
Fluorite is very easy to identify if you consider cleavage, hardness, and specific gravity. It is the only common mineral that has four directions of perfect cleavage ...
Feldspar — Feldspar is a rock-forming mineral. It is important industrially in making glass, ceramics, enamelware and soaps. It is also used in making bonding ...
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although ...
Fluorite. Comments: Cubic fluorite crystals with octedral galena crystals. The largest crystal is 2.1 cm across. Note the exceptional fluorescence of these crystals.
Metals & Ores •Ore = a mineral or aggregate of minerals which can be mined (extracted and processed) at a profit
Fluorite is a mineral with a veritable bouquet of brilliant colors. Fluorite is well known and prized for its glassy luster and rich variety of colors.
Detailed description, properties, and locality information guide about the mineral fluorite.
History of Fluorite. Fluorite has only been recognized as a distinct mineral since the eighteenth century, making it difficult to establish its ancient and medieval ...
Rare size decorator mineral specimens, extra large mineral spheres, and giant size decorator crystals for interior and exterior display: your on-line link direct to ...
Mineral specimens for sale from classic localities in Arizona and New Mexico. Thumbnail mineral previews linked to high quality photographs and description.
Minerals and Their Uses. Every segment of society uses minerals and mineral resources everyday. The roads we ride or drive on and the buildings we live learn and work ...
Mineral collectors must know the rules for removing specimens from public and private property.
About Mineral Classics "Mineral Classics", established in 1970, and located near Black Hawk, Colorado, is a leading company dedicated to supplying excellent quality ...
Lateritic bauxites (silicate bauxites) are distinguished from karst bauxite ores (carbonate bauxites). The carbonate bauxites occur predominantly in Europe, Guyana ...