# Mineral Hardness Color Transparency Crystal System Probability See More
1Elbaite7.5Green, red to pink, blue, orange, yellow, colourlessTransparent, TranslucentTrigonal0.192
2Corundum9.0Colourless, blue, red, pink, yellow, grey, golden-brownTransparent, Translucent, OpaqueTrigonal0.143
3Fluorite4.0Purple, lilac, golden-yellow, green, colourless, blue, pink, champagne, brown.TransparentIsometric0.141
4Fluorapatite5.0Colourless to white when pure, also green, blue, pink, yellow, brown, violet, purple.Transparent, OpaqueHexagonal0.035
5Pezzottaite8.0raspberry red to pink0.034
6Quartz7.0Colorless, purple, rose, red, black, yellow, brown, green, blue, orange, etc.Transparent, TranslucentTrigonal0.03
7Talmessite5.0White, colorless, translucent pale green (nickelian), brownish pink (cobaltian)TransparentTriclinic0.018
8Strengite3.5 - 4.0Purple, violet, pink, peach-blossom-red, carmine, greenish white, colorless, Colourless to pale pink in transmitted light.Transparent, TranslucentOrthorhombic0.017
9Rhodochrosite3.5 - 4.0Pink, rose, red, yellowish-grey, brown, white, gray, colourless to pale rose in transmitted light.Transparent, TranslucentTrigonal0.015
10Coquimbite2.5Light violet to purple, Greenish white, Bluish white, Yellowish white, Brownish whiteTransparentTrigonal0.014
11Spodumene6.5 - 7.0Colourless, yellow, light green, emerald-green, pink to violet, purple, white, grayTransparent, TranslucentMonoclinic0.012
12Phosphosiderite3.5 - 4.0Purple to reddish violet, rose-red, peachy-pink, brownish yellow, moss-green, colourless, rose to colourless in transmitted light.Transparent, TranslucentMonoclinic0.01
13Spinel7.5 - 8.0Black, blue, red, violet, green, brown, pinkTransparent, TranslucentIsometric0.01
14Clinochlore2.0 - 2.5Green, yellowish green, olive green, blackish green, bluish green, white, pinkTransparent, TranslucentMonoclinic0.008
15Zoisite6.0 - 7.0Colourless, purple, greyish-white, grey, yellowish-brown, yellow, pink, greenTransparent, TranslucentOrthorhombic0.008
16Sugilite6.0 - 6.5purple, violet, light brownish-yellow, colourless in transmitted lightHexagonal0.008
17Diaspore6.5 - 7.0white, brown, colourless, pale yellow, greyish, greenish grey, lilac, pinkishTransparent, TranslucentOrthorhombic0.007
18Baryte3.0Colourless, white, yellow, brown, grey, blue, etc., colourless in transmitted light (also tinted yellow, brown, green, blue, etc.)Transparent, Translucent, OpaqueOrthorhombic0.007
19Roselite3.5Rose-red, pink, rose coloured in transmitted light.Transparent, TranslucentMonoclinic0.006
20Beryl7.5 - 8.0Colorless, green, blue, yellow, white, pink, etc.Hexagonal0.006
21Dolomite3.5 - 4.0Colourless, white, gray, reddish-white, brownish-white, or pink, colourless in transmitted lightTransparent, TranslucentTrigonal0.006
22Rhodonite5.5 - 6.5Red, pink, brownish-red, gray.Transparent, TranslucentTriclinic0.005
23Erythrite1.5 - 2.5Crimson to peach red, pale rose, pinkTransparent, TranslucentMonoclinic0.005
24Marshallsussmanite3.0Light pink to deep pink, orange-pink0.004
25Phosphophyllite3.0 - 3.5Bright blue-green to colourless, colourless in transmitted light.Transparent, TranslucentMonoclinic0.004
26Cinnabar2.0 - 2.5Tint or shade of red, cochineal red, brownish redTransparent, TranslucentTrigonal0.004
27Euclase7.5Colorless, white, pale green to deep yellowish green, greenish blue, pale blue to deep blueTransparent, TranslucentMonoclinic0.004
28Axinite-(Fe)6.5 - 7.0Brown, clove-brown, plum blue, pearl grayTransparent, TranslucentTriclinic0.003
29Fluorapophyllite-(K)4.5 - 5.0Colourless, pale green, aquamarine, white, pink, yellowTransparent, TranslucentTetragonal0.003
30Hambergite7.5Colourless, greyish, yellowish, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.003
31Grossular6.5 - 7.0Brown, orange, red, yellow, green, white, colorlessTransparent, TranslucentIsometric0.003
32Torbernite2.0 - 2.5Emerald-green, grass-green. leek green, siskin green, apple greenTransparent, TranslucentTetragonal0.002
33Polylithionite2.0 - 3.0white, gray, violet, light green, pinkishTransparentMonoclinic0.002
34Spherocobaltite3.0 - 4.0Most commonly dark magenta red, sometimes brownish red, greyish red, or velvet-black (due to surface alteraton)Transparent, TranslucentTrigonal0.002
35Bariopharmacosiderite2.5Brown, yellow, reddish brown, green, bluishTransparent, TranslucentTetragonal0.002
36Barylite7.0bluish white, colourlessOrthorhombic0.002
37Mansfieldite3.5 - 4.0White, light gray, colourless in transmitted light.TransparentOrthorhombic0.002
38Pectolite4.5 - 5.0Colourless, white, pale pink, greenish, pale blueTransparent, TranslucentTriclinic0.002
39Villiaumite2.0 - 2.5Dark carmine-red, dark red, light orange, pinkTransparentIsometric0.002
40Calcite3.0White, Yellow, Red, Orange, Blue, Green, Brown, Gray etc.Transparent, TranslucentTrigonal0.002
41Agrellite5.5White to greyish or greenish white.Transparent, TranslucentTriclinic0.002
42Bastnasite-(Ce)4.0 - 4.5Yellow, reddish-brown, colourless to light yellow in transmitted light0.002
43Epistilbite4.0Colorless, white, pinkish, yellowishTransparent, TranslucentMonoclinic0.002
44Azurite3.5 - 4.0Azure blue, blue, light blue, or dark blue, light blue in transmitted lightTransparent, TranslucentMonoclinic0.002
45Anhydrite3.0 - 3.5Colourless, bluish, blue-grey, violet, burgundy-red, white, rose-pink, brownish, reddish, grey, dark grey, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.002
46Metatorbernite2.5Pale green to dark greenTransparent, TranslucentTetragonal0.002
47Botallackite1.0Mountain-green, bluish green to green, pale bluish green in transmitted lightTransparent, TranslucentMonoclinic0.002
48Leucophanite4.0Pale yellow, greenish white, yellowish green, colourlessTransparent, TranslucentOrthorhombic0.002
49Variscite3.5 - 4.5Pale to emerald-green, bluish green, colourless to white, pale shades of brown or yellow, rarely red, Colourless to pale green in transmitted light.Transparent, TranslucentOrthorhombic0.002
50Muscovite2.5White to colorless, silvery-white, and tinged various colors by impurities.Transparent, TranslucentMonoclinic0.002
51Marialite5.5 - 6.0Bluish, Brownish, Colorless, Violet, GreenishTransparent, TranslucentTetragonal0.002
52Genthelvite6.0 - 6.5Colourless, white, yellow, green, pink to red, darkens to brown and black on weatheringTransparent, TranslucentIsometric0.002
53Serandite5.0 - 5.5Pale pink, salmon-red, salmon-orange, deep orange, rose-red, brown, colourlessTransparent, TranslucentTriclinic0.001
54Clintonite3.5 - 6.0Brown, golden brown, reddish brown, yellow green, dark greenTransparent, TranslucentMonoclinic0.001
55Albite6.0 - 6.5White to grey, bluish, greenish, reddishTransparent, TranslucentTriclinic0.001
56Metazeunerite2.0 - 2.5Grass-green, emerald-green, green in transmitted lightTransparent, TranslucentTetragonal0.001
57Bertrandite6.0 - 7.0Colourless, pale yellow.TransparentOrthorhombic0.001
58Pollucite6.5Almost always colorless or white, also light gray, light pink, light blue, pale violetTransparent, TranslucentIsometric0.001
59Diopside5.5 - 6.5light to dark green, blue, brown, colourless, snow white, grey, pale violetTransparent, OpaqueMonoclinic0.001
60Liroconite2.0 - 2.5Sky-blue to green, light blue to light bluish green in transmitted light.Transparent, TranslucentMonoclinic0.001
62Chalcophyllite2.0Emerald green, grass green, bluish green, blue, green in transmitted lightTransparent, TranslucentTrigonal0.001
63Tremolite5.0 - 6.0White, brown, colourless, grey, light green, green, light yellow, pink-violetTransparent, TranslucentMonoclinic0.001
64Heulandite-Ca3.5 - 4.0White, Colorless, Red, Yellow, Brown, GreenTransparentMonoclinic0.001
65Uvite7.5Black, greenish-black, brownish-black, brown, green, colourlessTransparent, TranslucentTrigonal0.001
66Augelite4.5 - 5.0White, colourless, pale yellow, light green, rarely blue or pink, colourless in transmitted light.TransparentMonoclinic0.001
67Gyrolite2.5Brown, Colorless, White, GreenTransparent, TranslucentTriclinic0.001
68Alunite3.5 - 4.0white, pale shades of gray, yellow, red, to reddish brownTransparent, TranslucentTrigonal0.001
69Datolite5.0 - 5.5White, greyish, pale green, red, yellow, pink, etc.Transparent, Translucent, OpaqueMonoclinic0.001
70Leucophosphite3.5White to greenish, buff, yellow-brown, orange-brown, pink, greenish brown, brownish purpleTransparent, TranslucentMonoclinic0.001
71Cuprite3.5 - 4.0Dark red to cochineal red, sometimes almost black.Transparent, TranslucentIsometric0.001
72Vivianite1.5 - 2.0Colourless and transparent when fresh, quickly turning pale to deep blue, greenish-blue or bluish-green.Transparent, TranslucentMonoclinic0.001
74Titanite5.0 - 5.5Colourless, brown, green, yellow, rose-red or black.Transparent, TranslucentMonoclinic0.001
75Talc1.0Colorless, white, pale green, bright emerald-green to dark green, brown, grayTransparent, TranslucentTriclinic0.001
76Henmilite1.5 - 2.0Triclinic0.001
77Pyroxmangite5.5 - 6.0Pink, red, brownTransparent, TranslucentTriclinic0.001
78Chevkinite-(Ce)5.0 - 5.5blackMonoclinic0.001
79Adamite3.5Ideally white, colourless, frequently pale yellow, honey-yellow, brownish yellow, rose red, blue, pale green to green, may be zoned, bright green (cuprian), bright pink, purple (cobaltian)Transparent, TranslucentOrthorhombic0.001
80Ktenasite2.0 - 2.5Blue-greenMonoclinic0.001
81Halite2.5Colourless, whitish, yellow, red, purple or blueTransparent, TranslucentIsometric0.001
82Sphalerite3.5 - 4.0Yellow, light to dark brown, black, red-brown, colourless, light blue. greenTransparent, TranslucentIsometric0.001