This book of photos comes with specs like refraction and specific gravity. The information for this book is taken from public domain specifically from a book - A Textbook of Precious Stones for Jewelers and the Gem-loving Public by Frank Bertram Wade. Here are the following stones covered in this b...
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This photo is of a gemstone called Zircon. a) Refraction: Double b) Difference between High & Low Index: 0.53 c) Specific Gravity: Lighter - 4.20 Heavier - 4.69 d) Hardness: 7.5 Source: A Text-book of Precious Stones for Jewelers and the Gem-loving Public by Frank Bertram Wade
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Add to cartThis photo is of a gemstone called Zircon. a) Refraction: Double b) Difference between High & Low Index: 0.53 c) Specific Gravity: Lighter - 4.20 Heavier - 4.69 d) Hardness: 7.5 Source: A Text-book of Precious Stones for Jewelers and the Gem-loving Public by Frank Bertram Wade
This photo is of Tourmaline Refraction: Double (Difference between high and low index is 0.20) Specific Gravity: 3.10
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Add to cartThis photo is of Tourmaline Refraction: Double (Difference between high and low index is 0.20) Specific Gravity: 3.10
This Photo is of Topaz Refraction: Double (Difference between high and low index is 0.009) Specific Gravity: 3.53
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Add to cartThis Photo is of Topaz Refraction: Double (Difference between high and low index is 0.009) Specific Gravity: 3.53
Titanite or Sphene Refraction: Double (Difference between high and low index is 0.84) Specific Gravity: Hardness: 5
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Add to cartTitanite or Sphene Refraction: Double (Difference between high and low index is 0.84) Specific Gravity: Hardness: 5
Titanite (Sphene) Refraction: Double (Difference between high and low index is 0.84) Specific Gravity: Hardness: 5
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Add to cartTitanite (Sphene) Refraction: Double (Difference between high and low index is 0.84) Specific Gravity: Hardness: 5
This photo is of a Sapphire! a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: c) Corundum Sapphire: 4.03 d) Hardness: 9 e) Color: ** White Sapphire: colorless ** pink ** Blue (natural sapphire) ** Oriental emerald/aquamarine: green
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Add to cartThis photo is of a Sapphire! a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: c) Corundum Sapphire: 4.03 d) Hardness: 9 e) Color: ** White Sapphire: colorless ** pink ** Blue (natural sapphire) ** Oriental emerald/aquamarine: green
Sapphire a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: **Corundum Sapphire: 4.03 c) Hardness: 9 d) Color: ** White Sapphire: colorless ** Pink ** Blue (natural sapphire) ** Oriental emerald/aquamarine: green
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Add to cartSapphire a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: **Corundum Sapphire: 4.03 c) Hardness: 9 d) Color: ** White Sapphire: colorless ** Pink ** Blue (natural sapphire) ** Oriental emerald/aquamarine: green
RUBY a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: ** Corundum Ruby: 4.03
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Add to cartRUBY a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: ** Corundum Ruby: 4.03
Ruby a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: Corundum Ruby: 4.03
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Add to cartRuby a) Refraction: Double (Difference between high and low index is 0.009) b) Specific Gravity: Corundum Ruby: 4.03
Peridot a) Refraction: Double (Difference between high and low index is 0.38) b) Specific Gravity: 3.40 c) Hardness: 6.5
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Add to cartPeridot a) Refraction: Double (Difference between high and low index is 0.38) b) Specific Gravity: 3.40 c) Hardness: 6.5
Peridot a) Refraction: Double (Difference between high and low index is 0.38) b) Specific Gravity: 3.40 c) Hardness: 6.5
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Add to cartPeridot a) Refraction: Double (Difference between high and low index is 0.38) b) Specific Gravity: 3.40 c) Hardness: 6.5
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Add to cartOpal gem *** a) Refraction: Single b) Specific Gravity: 2.15 c) Hardness: 6
Kunzite a) Refraction: Double (Difference between high and low index is 0.84) b) Specific Gravity:
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Add to cartKunzite a) Refraction: Double (Difference between high and low index is 0.84) b) Specific Gravity:
Kunzite a) Refraction: Double (Difference between high and low index is 0.84) b) Specific Gravity:
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Add to cartKunzite a) Refraction: Double (Difference between high and low index is 0.84) b) Specific Gravity:
Garnet a) Refraction: Single b) Specific Gravity: ** Pyrope: 3.78 ** Hessonite: 3.61 ** Olivine: 3.84 ** Almandite:4.05 c) Hardness: ** Demantoid garnet: 6.5 ** Hessonite garnet: 7.25 ** Almandine Garnet: 7.5 d) Color ** Deep reddish brown color ** Almandine garnet: lack color...
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Add to cartGarnet a) Refraction: Single b) Specific Gravity: ** Pyrope: 3.78 ** Hessonite: 3.61 ** Olivine: 3.84 ** Almandite:4.05 c) Hardness: ** Demantoid garnet: 6.5 ** Hessonite garnet: 7.25 ** Almandine Garnet: 7.5 d) Color ** Deep reddish brown color ** Almandine garnet: lack color...
Emerald ***************** a) Refraction: Double (Difference between high and low index is 0.007) b) Specific Gravity: **Beryl Emerald: 2.74
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Add to cartEmerald ***************** a) Refraction: Double (Difference between high and low index is 0.007) b) Specific Gravity: **Beryl Emerald: 2.74
a) Refraction: Single b) Specific Gravity: 3.52 c) Hardness: 10 d) Color: ** Colorless in its true form ** Brown ** yellow
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Add to carta) Refraction: Single b) Specific Gravity: 3.52 c) Hardness: 10 d) Color: ** Colorless in its true form ** Brown ** yellow
a) Refraction: Single b) Specific Gravity: 3.52 c) Hardness: 10 Color: **Colorless in its true form **Brown ** yellow
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Add to carta) Refraction: Single b) Specific Gravity: 3.52 c) Hardness: 10 Color: **Colorless in its true form **Brown ** yellow
Chrysoberyl (Alexandrite) a) Refraction: Double (Difference between high and low index is 0.007) b) Specific Gravity: 3.73
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Add to cartChrysoberyl (Alexandrite) a) Refraction: Double (Difference between high and low index is 0.007) b) Specific Gravity: 3.73
Benitoite a) Refraction: Double (Difference between high and low index is 0.47) b) Specific Gravity:
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Add to cartBenitoite a) Refraction: Double (Difference between high and low index is 0.47) b) Specific Gravity:
Aquamarine a) Refraction: Double (Difference between high and low index is 0.007) b) Hardness: c) Color: ** Bluish green
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Add to cartAquamarine a) Refraction: Double (Difference between high and low index is 0.007) b) Hardness: c) Color: ** Bluish green
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