Common Nonmetallic Ores
|Material||Main Applications||Main Ore Minerals||Formula||Specific Gravity||Occurrence|
|ANHYDRITE||Increasing importance as a fertilizer, and in manufacture of plasters, cements, sulfates, and sulfuric acid||ANHYDRITE||CaSO4||2.95||An important gangue mineral in porphyry Cu–Mo deposits. Occurs with gypsum and halite as a saline residue. Occurs also in “cap rock” above salt domes, and as minor gangue mineral in hydrothermal metallic ore veins|
|APATITE||See Phosphates|| || || || |
|ASBESTOS||Heat-resistant materials, such as fire-proof fabrics and brake-linings. Also asbestos cement products, sheets for roofing and cladding, fire-proof paints, etc.|| || || ||Group of six minerals with same habit, roughly 1:20 aspect ratio, thin fibrous crystals|
|CHRYSOTILE (Serpentized ...|
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