Silicate mineral
Videos
Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 percent of Earth's crust.
Lithium aluminium silicate mineral spodumene
Diatomaceous earth, a biogenic form of silica as viewed under a microscope. The imaged region measures approximately 1.13 by 0.69 mm.
Nesosilicate specimens at the Museum of Geology in South Dakota
Kyanite crystals (unknown scale)
Asbestos
Videos
Asbestos or asbestus is a group of naturally occurring, fibrous silicate minerals that have been used for thousands of years to create flexible fire-resistant objects, such as fireproof fabrics. It is
Silicate mineral
…Ca2(Mg,Fe)5Si8O22(OH)2 Hornblende – (Ca,Na) 2–3(Mg,Fe,Al) 5Si 6(Al,Si) 2O 22(OH) 2 Sodium amphibole group Glaucophane – Na2Mg3Al2Si8O22(OH)2 Riebeckite (asbestos) – Na2FeII3FeIII2Si8O22(OH)2 Arfvedsonite – Na3(Fe,Mg)4FeSi8O22(OH)2 Phyllosilicates (from Greek φύλλον phýllon 'leaf'), or sheet silicates, form…
Industrial scale asbestos mining began in 1878 in Thetford township, Quebec. By 1895, mining was increasingly mechanized.
Canada's biggest power shovel loading an ore train with asbestos at the Jeffrey Mine, Johns-Manville Co., Asbestos, Quebec, June 1944
The applications of asbestos multiplied at the end of the 19th century—this is an advertisement for an asbestos-lined clothes iron from 1906
Asbestos fabric