# Mineral Hardness Color Transparency Crystal System Probability See More
1Hauerite4.0Reddish-brown/blackOpaqueIsometric0.08
2Genthelvite6.0 - 6.5Colourless, white, yellow, green, pink to red, darkens to brown and black on weatheringTransparent, TranslucentIsometric0.067
3Microcline6.0 - 6.5White, grey, greyish yellow, yellowish, tan, salmon-pink, bluish green, green.Transparent, TranslucentTriclinic0.03
4Faustite5.5Apple-greenTranslucent, OpaqueTriclinic0.024
5Narsarsukite7.0Yellow, yellowish-white, grayish-white, honey-yellow, tan, greenish-yellowTransparent, TranslucentTetragonal0.022
6Mellite2.0 - 2.5Honey to wax yellow, brown to reddish, gray, seldom white, colourless to pale yellow in transmitted light.Transparent, TranslucentTetragonal0.021
7Poughite5.0Yellow, brownish yellow, greenish yellowOrthorhombic0.019
8Umangite3.0Red, bluish red-black, iridescent violet-blue (tarnished)OpaqueTetragonal0.015
9Thorite4.5Yellow, yellow-brown, red-brown, green, orange to blackOpaqueTetragonal0.015
10Orthoclase6.0Colorless to white, Greenish white, Grayish yellow, Pale pinkTransparent, TranslucentMonoclinic0.015
11Terskite5.0White, pale lilac to violetOrthorhombic0.014
12Chrysoberyl8.5Green shades, emerald-green, greenish white, yellowish green, greenish brown, yellow, blueTransparent, TranslucentOrthorhombic0.014
13Boracite7.0 - 7.5Green, blue, colourless, grey, white, dark green (ferroan), colourless in transmitted lightTransparent, TranslucentOrthorhombic0.014
14Lazulite5.5 - 6.0Blue, sky-blue, bluish whiteTransparent, TranslucentMonoclinic0.011
15Mallestigite4.0Colourless, yellowTransparent, TranslucentHexagonal0.01
16Curite4.0 - 5.0Deep to light red-orange, orange, scarlet, yellowTransparent, TranslucentOrthorhombic0.01
17Carpathite1.5Yellow, yellowish brownTranslucentMonoclinic0.009
18Andalusite6.5 - 7.5Pink to red brown, occasionally yellow, green, white, gray rarely violetTransparent, TranslucentOrthorhombic0.009
19Antigorite3.5 - 4.0green, green-blue, white, brown, blackTransparentMonoclinic0.009
20Titanite5.0 - 5.5Colourless, brown, green, yellow, rose-red or black.Transparent, TranslucentMonoclinic0.009
21Dussertite3.5Green, yellow-green, bluish green, yellowish green in transmitted light.TranslucentTrigonal0.008
22Glauberite2.5 - 3.0Grey, yellowish, colourless, colourless in transmitted lightTransparent, TranslucentMonoclinic0.008
23Carnotite2.0Bright yellow, yellow, greenish yellowTranslucentMonoclinic0.008
24Goudeyite3.0 - 4.0blue-green, yellow-greenHexagonal0.008
25Mcguinnessite2.5light blue-green, Cu-rich cores slightly darker blue, Mg-rich rims very pale blue-green to nearly whiteTranslucent0.008
26Ajoite2.0 - 2.5Bluish greenTranslucentTriclinic0.008
27Zemannite2.0BrownHexagonal0.008
28Alunite3.5 - 4.0white, pale shades of gray, yellow, red, to reddish brownTransparent, TranslucentTrigonal0.007
29Helvine6.0 - 6.5Golden yellow, brown, red, gray-yellow, yellow-greenTranslucentIsometric0.007
30Cubanite3.5Brass- to bronze-yellowOpaqueOrthorhombic0.007
31Claraite2.5 - 3.0Turquoise blueTranslucentTriclinic0.007
32Zunyite7.0Colourless, grey, white, flesh-redTransparent, TranslucentIsometric0.007
33Posnjakite2.0 - 3.0Sky-blue to dark-blue, may be slightly greenish-blue.Monoclinic0.007
34Tremolite5.0 - 6.0White, brown, colourless, grey, light green, green, light yellow, pink-violetTransparent, TranslucentMonoclinic0.007
35Woodwardite4.5Greenish-blue, turquoise-blueTranslucent, OpaqueTrigonal0.006
36Purpurite4.0 - 4.5Dark purple to purplish red.OpaqueOrthorhombic0.006
37Botallackite1.0Mountain-green, bluish green to green, pale bluish green in transmitted lightTransparent, TranslucentMonoclinic0.006
38Nakauriite5.0 - 5.5Translucent blueOrthorhombic0.006
39Marshallsussmanite3.0Light pink to deep pink, orange-pink0.006
40Whewellite2.5 - 3.0White, yellow, brown, colourless, colourless in transmitted light.Transparent, TranslucentMonoclinic0.005
41Spodumene6.5 - 7.0Colourless, yellow, light green, emerald-green, pink to violet, purple, white, grayTransparent, TranslucentMonoclinic0.005
42Medaite2.5Brownish-redTranslucentMonoclinic0.005
43Variscite3.5 - 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, TranslucentOrthorhombic0.005
44Fluornatromicrolite5.0GreenTransparentIsometric0.005
45Beryl7.5 - 8.0Colorless, green, blue, yellow, white, pink, etc.Hexagonal0.005
46Lizardite2.00.005
47Fayalite7.0Greenish-yellow, yellow or brownTransparent, TranslucentOrthorhombic0.005
48Gahnite7.5 - 8.0Dark blue-green, yellow, brown, blackIsometric0.005
49Senarmontite2.0 - 2.5Colourless to grayTransparent, TranslucentIsometric0.005
50Forsterite7.0Green, pale yellow or white.Transparent, TranslucentOrthorhombic0.005
51Glaucocerinite1.0Sky-blue, turquoise-blue, greenish, greyish, brownishHexagonal0.004
52Stichtite1.5 - 2.0Rose-pink to purpleTransparentTrigonal0.004
53Scheelite4.5 - 5.0Tan, golden-yellow, colourless, white, greenish, dark brown, etc., colourless in transmitted lightTransparent, OpaqueTetragonal0.004
54Pyroaurite2.5Yellow to brownish-white, white, gray, silver-white, greenish or colourlessTransparentTrigonal0.004
55Wurtzite3.5 - 4.0Dark reddish-brown to black, orange-brownTranslucentHexagonal0.004
56Opal5.5 - 6.5Colourless, white, yellow, red, orange, green, brown, black, blueTransparent, Translucent0.004
57Nenadkevichite5.0Rose-pink, very light pink, light yellow, brown, dark brown due to inclusionsTransparent, Translucent, OpaqueOrthorhombic0.004
58Turquoise5.0 - 6.0bright blue, sky-blue, pale green, blue-green, turquoise-blue, apple-green, green-grayTransparent, Translucent, OpaqueTriclinic0.004
59Talc1.0Colorless, white, pale green, bright emerald-green to dark green, brown, grayTransparent, TranslucentTriclinic0.004
60Hydroxylapatite5.0White, grey, yellow, green, violet, purple, red or brownTransparent, Translucent, OpaqueHexagonal0.004
61Sylvite1.5 - 2.0Colourless, grey, white, yellowish to reddish, seldom blue or violetTransparent, TranslucentIsometric0.004
62Bementite6.0Brown, dark brown, golden brown, grayish-yellowTranslucentMonoclinic0.004
63Scheuchzerite2.5Yellow-orange0.004
64Edenite5.0 - 6.0White, grey, pale to dark green, also brown and pale pinkish-brownMonoclinic0.004
65Chenevixite3.5 - 4.5Olive green, yellow-green, dark green.Transparent, TranslucentMonoclinic0.004
66Chalcopyrite3.5 - 4.0Brass yellow, often with an iridescent tarnish.OpaqueTetragonal0.003
67Spinel7.5 - 8.0Black, blue, red, violet, green, brown, pinkTransparent, TranslucentIsometric0.003
68Libethenite4.0Light to dark green, blackish green, olive-green, bluish green to light green in transmitted light.Transparent, TranslucentOrthorhombic0.003
69Trona2.5Colourless, gray-white, light yellow, colourless in transmitted light.TranslucentMonoclinic0.003
70Sellaite5.0 - 5.5Colourless, white, colourless in transmitted light.TransparentTetragonal0.003
71Kaolinite2.0 - 2.5White to cream and pale-yellow, also often stained various hues, tans and browns being common.Translucent, OpaqueTriclinic0.003
72Tangeite3.5yellow, yellow-green, olive green, green to dark green, light green in transmitted light.Transparent, TranslucentOrthorhombic0.003
73Magnetite5.5 - 6.5Greyish black or iron blackOpaqueIsometric0.003
74Brannerite4.5 - 5.5Black, brownish olive-green, yellow-brown to yellow with alteration, yellowish green in transmitted lightOpaqueMonoclinic0.003
75Arsenolite1.5White, bluish, reddish to yellowish if impure with realgar or orpiment, colourless in transmitted lightTransparentIsometric0.003
76Copper2.5 - 3.0Copper-red. Tarnishes to black or green in air.OpaqueIsometric0.003
77Emplectite2.0Greyish to tin-whiteOpaqueOrthorhombic0.003
78Wittichenite2.0 - 3.0Lead grey, bronze, tin-white, steel grey, yellowOpaqueOrthorhombic0.003
79Gearksutite2.0white, colourless (including in transmitted light)Triclinic0.003
80Pyrite6.0 - 6.5Pale brass-yellowOpaqueIsometric0.003
81Montgomeryite4.0Dark green to light green, colourless, red, yellowTransparent, TranslucentMonoclinic0.003
82Svanbergite5.0colourless, yellow, reddish brown to rose-pink, colourless in transmitted lightTranslucentTrigonal0.003
83Iron4.5Iron-blackOpaqueIsometric0.003
84Perroudite2.0Bright redTransparentOrthorhombic0.003
85Melanterite2.0Colorless to white or green, also greenish-blue to blue with increased Cu content, colourless to pale green in transmitted light.Translucent, OpaqueMonoclinic0.003
86Sillimanite6.5 - 7.5Colorless, white, yellow, brown, green, gray.Transparent, TranslucentOrthorhombic0.003
87Heterosite4.0 - 4.5Untreated mineral is usually Purple Black, also Deep rose to reddish purple, especially when treated in a strong acid solution.OpaqueOrthorhombic0.003
88Hardystonite3.0 - 4.0light brownish white, pale greyish-white, whitish, very pale pinkishOpaqueTetragonal0.002
89Montebrasite5.5 - 6.0White, colorless, gray white, very pale brown, pale pink, pale yellowTransparent, TranslucentTriclinic0.002
90Lenoblite3.0Orthorhombic0.002
91Florencite-(Ce)5.0 - 6.00.002
92Bornite3.0Copper-red to pinchbeck-brown, quickly tarnishing to an iridescent purplish surface.OpaqueOrthorhombic0.002
93Tilasite5.0Light gray, violet-gray, pinkish red (Långban), olive-green, apple-green (India), colourless or pale green in transmitted light.TranslucentMonoclinic0.002
94Sanidine6.0Colourless, white, grey, yellowish white, or reddish whiteTransparent, TranslucentMonoclinic0.002
95Augelite4.5 - 5.0White, colourless, pale yellow, light green, rarely blue or pink, colourless in transmitted light.TransparentMonoclinic0.002
96Fluorite4.0Purple, lilac, golden-yellow, green, colourless, blue, pink, champagne, brown.TransparentIsometric0.002
97Anatase5.5 - 6.0Brown, pale yellow or reddish brown, indigo, black, pale green, pale lilac, grey, rarely nearly colourless, brown, yellow-brown, pale green, blue in transmitted light.Transparent, TranslucentTetragonal0.002
98Hydroxylherderite5.0 - 5.5Colorless, gray, brown, pale yellow, greenish white, light blue, purple, colourless in transmitted light.Transparent, TranslucentMonoclinic0.002
99Parisite-(Ce)4.5Brown, brownish-yellow, waxy yellow, gray-yellow, colourless to yellow in transmitted light.Transparent, TranslucentMonoclinic0.002
100Yofortierite2.5Pink to pale violet, brownMonoclinic0.002