# Mineral Hardness Color Transparency Crystal System Probability See More
1Makatite5.5 - 6.0whiteMonoclinic0.037
2Johannsenite6.0blue-green, grey-white, dark brown, colourlessMonoclinic0.023
3Fluoborite3.5Colourless, violet or white, colourless in transmitted lightTransparent, TranslucentHexagonal0.022
4Barytocalcite4.0Colourless, white, greyish, greenish, light yellowTransparent, TranslucentMonoclinic0.016
5Xonotlite6.5White, grey, pale pink, colorlessTransparent, TranslucentMonoclinic0.015
6Albite6.0 - 6.5White to grey, bluish, greenish, reddishTransparent, TranslucentTriclinic0.013
7Messelite3.5White, pale gray white, creamy whiteTransparent, TranslucentTriclinic0.013
8Palygorskite2.0 - 2.5White. grayish, yellowish, gray-greenTranslucentMonoclinic0.012
9Adamsite-(Y)3.0Colourless, white, pale pink, pale purple.Transparent, TranslucentTriclinic0.012
10Hydromagnesite3.5Colourless to white, colourless in transmitted lightTransparentMonoclinic0.012
11Alunite3.5 - 4.0white, pale shades of gray, yellow, red, to reddish brownTransparent, TranslucentTrigonal0.011
12Meyerhofferite2.0Colourless, whiteTransparent, TranslucentTriclinic0.011
13Fairfieldite3.5White, greenish white, light amber, salmon-yellow, colourless in transmitted light.Transparent, TranslucentTriclinic0.01
14Sassolite1.0White to grey, occasionally colourless, yellow or brown.TransparentTriclinic0.01
15Hydroboracite2.0Colourless, whiteTransparentMonoclinic0.01
16Bavenite5.5WhiteOrthorhombic0.008
17Hydrocerussite3.5White or grey, colourless in transmitted lightTransparent, TranslucentTrigonal0.008
18Halotrichite1.5 - 2.0Colourless to white, yellowish, greenish, colourless in transmitted light.Transparent, TranslucentMonoclinic0.007
19Vladimirite3.5Usually colorless to white, also pale roseTransparent, TranslucentMonoclinic0.007
20Pectolite4.5 - 5.0Colourless, white, pale pink, greenish, pale blueTransparent, TranslucentTriclinic0.007
21Alumohydrocalcite2.5Chalky white to pale blue, pale yellow, cream, gray, pale rose or brownish pink to dark violet in chromian varietiesTransparent, Translucent, OpaqueTriclinic0.007
22Strontianite3.5Colourless, white, gray, light yellow, green, brown, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.007
23Ice1.5Colourless to white, pale blue to greenish blue in thick layersTransparent, TranslucentHexagonal0.007
24Gypsum2.0Colourless to white, often tinged other hues due to impurities, colourless in transmitted light..Transparent, Translucent, OpaqueMonoclinic0.007
25Sellaite5.0 - 5.5Colourless, white, colourless in transmitted light.TransparentTetragonal0.006
26Epsomite2.0 - 2.5White, grey, colourless, or pink, greenish, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.006
27Montmorillonite1.0 - 2.0White, buff, yellow, green, rarely pale pink to redTranslucentMonoclinic0.006
28Kaolinite2.0 - 2.5White to cream and pale-yellow, also often stained various hues, tans and browns being common.Translucent, OpaqueTriclinic0.006
29Wollastonite4.5 - 5.0White, gray-white, light green, pinkish, brown, red, yellowTransparent, TranslucentTriclinic0.006
30Kutnohorite3.5 - 4.0White, pale rose, pink, light to medium brownTranslucentTrigonal0.006
31Talmessite5.0White, colorless, translucent pale green (nickelian), brownish pink (cobaltian)TransparentTriclinic0.005
32Bindheimite4.0 - 4.5Yellow, yellow-brown, brown, white, grey, greenish, colourless to yellow and brown in transmitted lightTranslucent, OpaqueIsometric0.005
33Crandallite5.0Yellow, white, gray, colorless in transmitted light.Translucent, OpaqueTrigonal0.005
34Lanarkite2.0 - 2.5Greenish white, greyish-white, more rarely pale-yellow, colourless, colourless in transmitted light.Transparent, TranslucentMonoclinic0.005
35Salammoniac1.0 - 2.0Colourless, White, sometimes yellow or brown.TransparentIsometric0.004
36Microcline6.0 - 6.5White, grey, greyish yellow, yellowish, tan, salmon-pink, bluish green, green.Transparent, TranslucentTriclinic0.004
37Baryte3.0Colourless, white, yellow, brown, grey, blue, etc., colourless in transmitted light (also tinted yellow, brown, green, blue, etc.)Transparent, Translucent, OpaqueOrthorhombic0.004
38Cervantite4.0 - 5.0Yellow, off-white, reddish-white, colourless in transmitted lightOrthorhombic0.004
39Gyrolite2.5Brown, Colorless, White, GreenTransparent, TranslucentTriclinic0.004
40Nosean5.5Colorless, white, gray, gray-brown, blue, blackTransparent, TranslucentIsometric0.004
41Saponite1.5 - 2.0White, gray-green, bluish, yellowMonoclinic0.004
42Witherite3.0 - 3.5Colourless, white, greyish, light yellow, colourless in transmitted light.Transparent, TranslucentOrthorhombic0.004
43Polylithionite2.0 - 3.0white, gray, violet, light green, pinkishTransparentMonoclinic0.004
44Magnesite3.5 - 4.5Colourless, white, greyish-white, yellowish, brown, faintly pink, lilac-rose, colourless in transmitted light.Transparent, TranslucentTrigonal0.004
45Sulphur1.5 - 2.5Yellow, sulphur-yellow, brownish or greenish yellow, orange, whiteTransparent, TranslucentOrthorhombic0.004
46Elpidite5.0Colorless, white, gray, yellowish, orange, brown, beigeTransparent, Translucent, OpaqueOrthorhombic0.003
47Bityite5.5White yellowish, colorless, white, brownishTransparent, TranslucentMonoclinic0.003
48Tremolite5.0 - 6.0White, brown, colourless, grey, light green, green, light yellow, pink-violetTransparent, TranslucentMonoclinic0.003
49Moraesite3.0WhiteMonoclinic0.003
50Margarosanite2.5 - 3.0Colorless, grayish-white (due to included native lead)Transparent, TranslucentTriclinic0.003
51Cookeite2.5 - 3.5White, yellowish green, pink, brownTranslucentMonoclinic0.003
52Ulexite2.5Colourless, white, grey with included clays.TransparentTriclinic0.003
53Pharmacolite2.0 - 2.5White or colorless, grayish white, colorless in transmitted light.Transparent, TranslucentMonoclinic0.003
54Bikitaite6.0Colorless, WhiteTransparent, TranslucentTriclinic0.003
55Anhydrite3.0 - 3.5Colourless, bluish, blue-grey, violet, burgundy-red, white, rose-pink, brownish, reddish, grey, dark grey, colourless in transmitted lightTransparent, TranslucentOrthorhombic0.003
56Ankerite3.5 - 4.0Brown, white to grey, yellowish-brown, tan, fawn, greenish.TranslucentTrigonal0.003
57Brandtite3.5Colourless, white, pink, colourless in transmitted light.Transparent, TranslucentMonoclinic0.003
58Stibiconite5.5 - 7.0White, creamy-white, light to sulphur-yellow, orange, light brown, colourless to cloudy in transmitted lightTransparent0.003
59Trona2.5Colourless, gray-white, light yellow, colourless in transmitted light.TranslucentMonoclinic0.003
60Sanidine6.0Colourless, white, grey, yellowish white, or reddish whiteTransparent, TranslucentMonoclinic0.003
61Goyazite4.5 - 5.0White, Yellow, honey-yellow, pink, lilac, orange or colourless, colourless in transmitted light.Transparent, TranslucentTrigonal0.003
62Natrolite5.0 - 5.5White, Colorless, Red, Yellow, Brown, Green, bluishTransparent, TranslucentOrthorhombic0.003
63Calcite3.0White, Yellow, Red, Orange, Blue, Green, Brown, Gray etc.Transparent, TranslucentTrigonal0.003
64Kamphaugite-(Y)2.0 - 3.0White to colorlessTransparentTetragonal0.002
65Beryllonite5.5 - 6.0Colourless, white, rarely pale light yellow, colourless in transmitted light.Transparent, TranslucentMonoclinic0.002
66Celestine3.0 - 3.5Colourless, shades of light blue, white, reddish, greenish, brownish, greyish, colourless or lightly tinted in transmitted lightTransparent, TranslucentOrthorhombic0.002
67Alstonite4.0 - 4.5Colourless to snow white, yellow-gray, pale gray, pale cream, pink to pale rose-redTransparent, TranslucentTriclinic0.002