subadamantine
Look at other dictionaries:
Yttrium aluminium garnet — YAG redirects here. For the IATA airport code see Fort Frances Municipal Airport. For the YMCA sponsored program see YMCA Youth and Government. Yttrium aluminium garnet General Category synthetic mineral Chemical formula Y3Al … Wikipedia
Gadolinium gallium garnet — Infobox mineral name = Gadolinium Gallium Garnet category = synthetic mineral boxwidth = boxbgcolor = imagesize = caption = formula = Gadolinium3Gallium5Oxygen12 (Gia), Gemological. Gem Reference Guide. City: Gemological Institute of America… … Wikipedia
Chalcophyllite — from the Ting Tang Mine, Carharrack, Cornwall, England. Photo by Rob Lavinsky General Category Arsenate minerals … Wikipedia
Phosphate minerals — ▪ Table Phosphate minerals name colour lustre Mohs hardness specific gravity amblygonite white to creamy white; slightly tinted vitreous to greasy 5½–6 3.0–3.1 apatite carbonate apatite variable, greens predominating vitreous 5 2.9–3.2… … Universalium
Sulfate minerals — ▪ Table Sulfate minerals name colour lustre Mohs hardness specific gravity alum colourless; white vitreous 2–2½ 1.8 alunite white; grayish, yellowish, reddish, reddish brown vitreous 3½–4 2.6–2.9 alunogen white; yellowish or reddish vitreous to… … Universalium
Titanite — from Capelinha, thumb|300pxTitanite or sphene is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are invariably present. Also commonly present are rare earth metals including cerium and… … Wikipedia
Garnet — For other uses, see Garnet (disambiguation). Garnet General Category Nesosilicate Chemical … Wikipedia
Lustre (mineralogy) — Lustre (or luster) is a description of the way light interacts with the surface of a crystal, rock, or mineral. The word lustre traces its origins back to the Latin word lux, meaning light , and generally implies radiance, gloss, or brilliance. A … Wikipedia
Psilomelane — Infobox mineral name = Psilomelane category = boxwidth = boxbgcolor = caption = A native sample of psilomelane formula = The general formula Ba(Mn2+)(Mn4+)8O16(OH)4 or as (Ba,H2O)2Mn5O10 Barium Manganese Oxide Hydroxide molweight = 590.03 gm… … Wikipedia
Erythrite — crystals General Category Arsenate mineral Chemical formula … Wikipedia
