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Mineral Library - Properties

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Click the column header for single property screen. Click 'x' to hide column.Click on '>' to sort descending. Click on '<' to sort ascending
name   < > x    family   < > x    hardness   < > x    composition   < > x    refractive_index   < > x    specific_gravity   < > x    birefringence   < > x    pleochroism   < > x    crystal_shape   < > x    rarity   < > x    colors   < > x    critical_angle   < > x    crown_angle   < > x    pavilion_angle   < >
Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  7     37.83  43  39 
Sherry Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  6  red, reddish pink  37.83  43  39 
Imperial Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  3  pinkish reddish orange  37.83  43  39 
Green Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  3  Blueish Green  37.83  43  39 
Golden Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  7  golden yellow  37.83  43  39 
Blue Topaz  Topaz  8  Hydrous Aluminum Silicate  1.64/1.63 to 1.62/1.61  3.52-3.56  yes  no  Othorhombic  3  Light to Dark Blue  37.83  43  39 
Spessartite  Garnet  6.5-7.5  Iron Aluminum Silicate  1.79-1.81  4.12-4.2  no  yes  Cubic  5  orange-red to orange-pink  31.95 - 35.08  37  42 
Spessartine  Garnet  7  Iron Aluminum Silicate  1.79-1.81  4.12-4.2  no  yes  Cubic  6  orange-red to orange-pink  31.95 - 35.08  37  42 
Rhodolite  Garnet  7  Iron Aluminum Silicate  1.75-1.76  3.74-3.94  no  no  Cubic  5  pink  31.95 - 35.08  37  42 
Pyrope  Garnet  7  Iron Aluminum Silicate  1.73-1.75  3.65-3.87  no  yes  Cubic  6  red to dark red  31.95 - 35.08  37  42 
Hessonite (Grossular)  Garnet  6.5-7.5  Iron Aluminum Silicate  1.74  3.58-3.69  no  no  Cubic  9  yellow-brown, pinkish orange  31.95 - 35.08  37  42 
Grossular  Garnet  6.5-7.5  Iron Aluminum Silicate  1.74  3.58-3.69  no  no  Cubic  9  yellowish-green,bluish green, honey yellow, pinkish yellow, colorless  31.95 - 35.08  37  42 
Garnet  Garnet  6.5-7.5  Iron Aluminum Silicate  1.73-1.83  3.6-4.32  no  yes  Cubic  9     31.95 - 35.08  37  42 
Almandine  Garnet  7.5  Iron Aluminum Silicate  1.76-1.83  3.95-4.2  no  yes  Cubic  7  red to dark red  31.95 - 35.08  37  42 
Diamond  Diamond  10  carbon  2.41  3.52  no  no  Octahedral  4  white,yellow,brown,green,blue,pink,red  24.42  35  41 
Sapphire  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  7  blue,pink,violet  34.62  37  42 
Ruby  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  2  red,purplish red  34.62  37  42 
Padparadscha  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  3  orangish pink  34.62  37  42 
Corundum  Corundum  9  Aluminum Oxide  1.77/1.76  3.9-4.1  yes  yes  Trigonal  7     34.62  37  42 
Red Beryl  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  1  red, reddish pink  39.22  42  43 
Morganite  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  7  yellow, golden yellow  39.22  42  43 
Heliodor  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  8  yellowish green, greenish yellow  39.22  42  43 
Emerald  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  2  green  39.22  42  43 
Beryl  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  8     39.22  42  43 
Aquamarine  Beryl  7.5-8  Beryllium Aluminum Silicate  1.56/1.57 to 1.59/1.6  2.65-2.9  yes  no  Hexagonal  6  greenish blue, blue, blueish green  39.22  42  43 
Ammonite  Ammonite  varies  Organic  1.52-1.68  2.7  0.155  no  n/a  limited  varies          
Amblygonite  Amblygonite  5.5-6  Li2Al  1.612-1.636  2.98-3.06  .02-.027  no  triclinic  scarce  green,yellow,pink,blue,brown          
Amber  Amber  2-2.5  Organic Resin  1.539-1.545  1.0-1.02  no  no  amorphous  limited to scarce  orange,red,green          
Actinolite  Actinolite  5-6  Ca2Si8O22  1.614-1.641  2.95-3.1  .022-.027  yes  monoclinic  limited to scarce  green, yellow, black          
Click on a Mineral Family or a Specific Mineral Variety Above for More Information.


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