- dark minerals
- 黑色矿物
Medical Chinese dictionary (湘雅医学词典). 2013.
dark minerals
Look at other dictionaries:
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Silicate minerals — ▪ Table Silicate minerals name colour lustre Mohs hardness specific gravity Tectosilicates (three dimensional networks) feldspar (for other examples, see feldspar) orthoclase flesh red, white to pale yellow, red, green vitreous 6–6½ 2.6… … Universalium
Oxide minerals — ▪ Table Oxide minerals name colour lustre Mohs hardness specific gravity anatase brown to indigo blue and black; also variable adamantine to metallic adamantine 5½–6 3.8–4.0 boehmite white, when pure 3 3.0–3.1 brookite various browns metallic… … Universalium
Sulfide minerals — ▪ Table Sulfide minerals name colour lustre Mohs hardness specific gravity habit or form fracture or cleavage refractive indices or polished section data crystal system argentite blackish lead gray metallic 2–2 1/2 7.2–7.4 cubic or octahedral… … 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
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Borate minerals — ▪ Table Borate minerals name colour lustre Mohs hardness specific gravity boracite colourless or white vitreous 7–7½ 2.9–3.0 borax colourless to white; grayish, bluish, greenish vitreous to resinous 2–2½ 1.7 colemanite colourless; white,… … Universalium
Halide minerals — ▪ Table Halide minerals name colour lustre Mohs hardness specific gravity atacamite various bright green shades; dark emerald green to blackish adamantine 3–3½ 3.8 calomel colourless, white, grayish, yellowish, brown adamantine 1½ 7.15 carnallite … Universalium
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
colour index — In igneous petrology, the sum of the volume percentages of the coloured, or dark, minerals in the rock. The most common light coloured minerals are feldspars, feldspathoids, and silica or quartz; abundant dark coloured minerals include olivine,… … Universalium
