# Mineral Hardness Color Transparency Crystal System Probability See More
1Aragonite3.5 - 4.0Colorless to white or grey, often stained various hues by impurities, such as blue, green, red or violet, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.173
2Laumontite3.5 - 4.0Colorless to pink, white, gray, yellowish, brownish, golden brownTransparent, TranslucentMonoclinic0.159
3Gypsum2.0Colourless to white, often tinged other hues due to impurities, colourless in transmitted light..Transparent, Translucent, OpaqueMonoclinic0.071
4Pharmacolite2.0 - 2.5White or colorless, grayish white, colorless in transmitted light.Transparent, TranslucentMonoclinic0.058
5Strontianite3.5Colourless, white, gray, light yellow, green, brown, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.035
6Quartz7.0Colorless, purple, rose, red, black, yellow, brown, green, blue, orange, etc.Transparent, TranslucentTrigonal0.028
7Cerussite3.0 - 3.5Colourless, white, gray, blue, or green, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.021
8Scolecite5.0 - 5.5colorless, white, pink, salmon, red, greenTransparent, TranslucentMonoclinic0.014
9Ettringite2.0 - 2.5Colourless, colourless in transmitted light.TransparentTrigonal0.013
10Hydromagnesite3.5Colourless to white, colourless in transmitted lightTransparentMonoclinic0.013
11Gonnardite4.0 - 5.0Orthorhombic0.012
12Fassinaite1.5 - 2.0Colourless, white0.012
13Crandallite5.0Yellow, white, gray, colorless in transmitted light.Translucent, OpaqueTrigonal0.012
14Natrolite5.0 - 5.5White, Colorless, Red, Yellow, Brown, Green, bluishTransparent, TranslucentOrthorhombic0.011
15Celestine3.0 - 3.5Colourless, shades of light blue, white, reddish, greenish, brownish, greyish, colourless or lightly tinted in transmitted lightTransparent, TranslucentOrthorhombic0.01
16Lanarkite2.0 - 2.5Greenish white, greyish-white, more rarely pale-yellow, colourless, colourless in transmitted light.Transparent, TranslucentMonoclinic0.01
17Vanadinite2.5 - 3.0Orange-red, red-brown, brown, bright red, yellow, whitish, pale straw-yellow, colourless or weakly tinted in transmitted light.Transparent, Translucent, OpaqueHexagonal0.009
18Pyromorphite3.5 - 4.0Green to dark green, yellow, greenish-yellow or yellowish-green, orangish-yellow, shades of brown, white and colourless, colourless or faintly tinted in transmitted light.Transparent, TranslucentHexagonal0.009
19Caledonite2.5 - 3.0Dark blue to bluish-green, light bluish green in transmitted light.Transparent, TranslucentOrthorhombic0.008
20Hinsdalite4.5Colourless, greenish, pearly whiteTransparent, TranslucentTrigonal0.008
21Anhydrite3.0 - 3.5Colourless, bluish, blue-grey, violet, burgundy-red, white, rose-pink, brownish, reddish, grey, dark grey, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.008
22Stibnite2.0Lead-gray with pale blue tintOpaqueOrthorhombic0.007
23Johannsenite6.0blue-green, grey-white, dark brown, colourlessMonoclinic0.007
24Peretaite3.5 - 4.0ColourlessTransparentMonoclinic0.007
25Kottigite2.5 - 3.0Should be colorless, but frequently is Carmine-red, red-orange, brown, light rose-pink in transmitted light.0.007
26Offretite4.0 - 4.5Hexagonal0.007
27Mesolite5.0Colorless, white, gray, yellowishTransparent, Translucent, OpaqueOrthorhombic0.007
28Klebelsbergite3.5 - 4.0Dark yellow, colourless to yellow in transmitted light.TransparentOrthorhombic0.006
29Wollastonite4.5 - 5.0White, gray-white, light green, pinkish, brown, red, yellowTransparent, TranslucentTriclinic0.006
30Crocoite2.5 - 3.0Orange, red, yellow, orange-red in transmitted light.Transparent, TranslucentMonoclinic0.006
31Mimetite3.5 - 4.0Pale-yellow, yellowish-brown, orangish-yellow, orangish-red, white, colorless, colourless or faintly tinted in transmitted light.Transparent, TranslucentHexagonal0.005
32Elpidite5.0Colorless, white, gray, yellowish, orange, brown, beigeTransparent, Translucent, OpaqueOrthorhombic0.005
33Kasolite4.0 - 5.0Ocher yellow to brownish yellow, amber brown, lemon yellow, to green or reddish orangeTransparent, Translucent, OpaqueMonoclinic0.005
34Inderite3.0Colourless, white, pink, colourless in transmitted lightTransparent, TranslucentMonoclinic0.005
35Wavellite3.5 - 4.0Green to yellowish-green and yellow, greenish white, yellowish-brown, brown, brownish-black, blue, white and colourless, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.005
36Meionite5.0 - 6.0Colorless, white, grey, pink, violet, blue, yellow, orange-brown, brownTransparent, OpaqueTetragonal0.004
37Jeremejevite7.0Colourless, light yellow brown, aquamarine blue, colourless in transmitted lightTransparentHexagonal0.004
38Topaz8.0Colourless, white, pale blue, light green, yellow, yellowish brown, or redTransparent, TranslucentOrthorhombic0.004
39Picropharmacolite1.0 - 2.0White, colorless in transmitted light.Transparent, TranslucentTriclinic0.004
40Rabbittite2.5Pale greenMonoclinic0.004
41Valentinite2.5 - 3.0Colourless, white, light gray, light yellowTransparentOrthorhombic0.004
42Wroewolfeite2.5Intense blue-green, bluishTransparent, TranslucentMonoclinic0.003
43Stibiconite5.5 - 7.0White, creamy-white, light to sulphur-yellow, orange, light brown, colourless to cloudy in transmitted lightTransparent0.003
44Vladimirite3.5Usually colorless to white, also pale roseTransparent, TranslucentMonoclinic0.003
45Olivenite3.0Olive green to yellow or brown, gray-green, grayish white, light green in transmitted light.Translucent, OpaqueMonoclinic0.003
46Zincolivenite3.5Green, greenish blue0.003
47Chrysocolla2.5 - 3.5Green, bluish green, blue, blackish blue to black, or brown and rarely yellowTranslucent, OpaqueOrthorhombic0.003
48Vivianite1.5 - 2.0Colourless and transparent when fresh, quickly turning pale to deep blue, greenish-blue or bluish-green.Transparent, TranslucentMonoclinic0.003
49Linarite2.5Deep azure blue, deep blue in transmitted light.Transparent, TranslucentMonoclinic0.003
50Collinsite3.0 - 3.5Light brown, light yellow-brown to colourless in transmitted light.TranslucentTriclinic0.002
51Prehnite6.0 - 6.5Colourless to gray to yellow, yellow-green or whiteTranslucentOrthorhombic0.002
52Childrenite5.0Yellowish brown, brown, clove-brown, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.002
53Pectolite4.5 - 5.0Colourless, white, pale pink, greenish, pale blueTransparent, TranslucentTriclinic0.002
54Challacolloite2.0 - 3.0Colourless to white0.002
55Howlite3.5 - 6.5White, colorless, brownTransparentMonoclinic0.002
56Hubnerite4.0 - 4.5Yellow-brown, reddish-brown, blackish brown, black, red (rare)0.002
57Aurichalcite1.0 - 2.0Pale green, sky blue, or greenish blue, colourless to light shades of blue or green in transmitted lightTransparentMonoclinic0.002
58Brochantite3.5 - 4.0Green, emerald green, green-black, light green, bluish green in transmitted light.Transparent, TranslucentMonoclinic0.002
59Leifite6.0ColorlessTransparent, TranslucentTrigonal0.002
60Melanterite2.0Colorless to white or green, also greenish-blue to blue with increased Cu content, colourless to pale green in transmitted light.Translucent, OpaqueMonoclinic0.002
61Hydroboracite2.0Colourless, whiteTransparentMonoclinic0.002
62Pickeringite1.5 - 2.0Colourless to white, light yellow, pale pink, gray, colourless in transmitted lightTranslucentMonoclinic0.002
63Churchite-(Y)3.0Colorless, white, gray, yellow, colourless in transmitted light.TransparentMonoclinic0.002
64Alstonite4.0 - 4.5Colourless to snow white, yellow-gray, pale gray, pale cream, pink to pale rose-redTransparent, TranslucentTriclinic0.002
65Gibbsite2.5 - 3.0White, light gray, light green, reddish white, reddish yellow (impure)Transparent, TranslucentMonoclinic0.002
67Ilvaite5.5 - 6.0Iron-black, dark grayish blackOpaqueOrthorhombic0.002
68Glaucophane5.0 - 6.0Grey to lavender-blue.Monoclinic0.002
69Emmonsite5.0Yellowish-green, light yellow-green in transmitted light.TranslucentTriclinic0.002
70Barytocalcite4.0Colourless, white, greyish, greenish, light yellowTransparent, TranslucentMonoclinic0.002
71Dickthomssenite2.5Light golden brownTranslucentMonoclinic0.002
72Artinite2.5White, colourless in transmitted light.TransparentMonoclinic0.002
73Legrandite4.5Yellow to colourless, pale yellow to colourless in transmitted light.Transparent, TranslucentMonoclinic0.002
74Romanechite5.0 - 6.0Greyish black, black0.002
75Bertrandite6.0 - 7.0Colourless, pale yellow.TransparentOrthorhombic0.002
76Lithiophilite4.0Reddish-brown, yellowish brown, golden-yellow, salmon-orange, colourless to light yellow, pink in transmitted light.Transparent, TranslucentOrthorhombic0.002
77Edingtonite4.0 - 5.00.001
78Adamite3.5Ideally 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
80Ice1.5Colourless to white, pale blue to greenish blue in thick layersTransparent, TranslucentHexagonal0.001
81Caysichite-(Y)4.5Colourless, white, pale yellow, rarely greenishTransparent, TranslucentOrthorhombic0.001
82Parasymplesite2.0Light green to leek green, may be greenish black, also deep blueTransparent, TranslucentMonoclinic0.001
83Boltwoodite3.5 - 4.0Pale yellow, orange yellowTranslucentMonoclinic0.001
84Austinite4.0 - 4.5Colorless to pale yellowish white or bright green, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.001
85Antimony3.0 - 3.5Tin-whiteOpaqueTrigonal0.001
86Willemite5.5Colorless, white, pastel green, apple-green, light blue, azure-blue, yellow, burgundy-red, brown, mahogany-brown, gray, black, pinkTransparent, TranslucentTrigonal0.001
87Dufrenite3.5 - 4.5Dark green, olive-green, olive-brown, black, olive-brown to reddish brown with oxidation, bluish green to reddish brown or yellow in transmitted light.0.001
88Trona2.5Colourless, gray-white, light yellow, colourless in transmitted light.TranslucentMonoclinic0.001
90Eosphorite5.0Usually Pale Brown, Golden Brown, also Medium Brown to Dark Brown, occasionally Pink, Rose redTransparent, TranslucentOrthorhombic0.001
91Epidote6.0Yellowish-green, green, brownish-green, blackTransparent, Translucent, OpaqueMonoclinic0.001
92Erythrite1.5 - 2.5Crimson to peach red, pale rose, pinkTransparent, TranslucentMonoclinic0.001
93Smithsonite4.0 - 4.5White, grey, yellow, green to apple-green, blue, pink, purple, bluish grey, and brown, colourless or faintly tinted in transmitted light.TranslucentTrigonal0.001
94Calcite3.0White, Yellow, Red, Orange, Blue, Green, Brown, Gray etc.Transparent, TranslucentTrigonal0.001
95Glauberite2.5 - 3.0Grey, yellowish, colourless, colourless in transmitted lightTransparent, TranslucentMonoclinic0.001
96Okenite4.5 - 5.0White to slightly yellow, blueTransparent, TranslucentTriclinic0.001
98Sideronatrite1.5 - 2.0Yellow, yellow-brown, straw-yellow, light orange, pale yellow to nearly colourless in transmitted light.TransparentOrthorhombic0.001