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Idocrase

Chemical Composition : Ca19Al4Fe(Al,Mg,Fe)8Si18O7 Calcium Aluminum Iron Silicate

Hardness : 6.0 – 7.0

Specific Gravity (Density) : 3.32 – 3.47 (g/cm3)

Refractive Index : 1.698 – 1.742 Uniaxial ( -/+ ) and Biaxial

Vesuvianite (also known as Idocrase) is found in colors ranging from green to brown and also a blue variety called Cyprine. The complexities of its chemistry leads to the wide range of colors and properties. The green variety is similar in color to Peridot gems. Cyprine, the blue variety of Vesuvianite, is colored by the addition of copper to its chemistry and is also refered to as Cupreous Idocrase or Cupreous Vesuvianite.

There are many sources of Vesuvianite such as Asbestos, Quebec, Canada; California, Colorado and the New England region of USA; Mt. Vesuvius, Italy; Ural Mountains, Russia, Switzerland, Tanzania and Kenya. However, there are only a few sources of gem quality crystals. A small amount of gemmy material has come from Asbestos, Quebec, Canada. Recent finds in Tanzania and Kenya have brought some very nicely colored gems to the market. One source of material is from California, USA and has been nick-named Californite or California Jade. This bright green opaque to translucent material comes from near Happy Jack mine, Siskiyou County and near Pulga, Butte County, California.

Idocrase / Vesuvianite

Idocrase 23.90ct Natural Gemstone Canada

815.91$
SKU: AK17657
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

Above 20 ct, All Weight

Idocrase 2.33ct 9.70×6.77×4.34mm Natural Gemstone Canada

91.87$
SKU: AK9910
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.83ct 10.24×7.56×4.60mm Natural Gemstone Canada

111.58$
SKU: AK9909
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.44ct 8.76×7.16×4.71mm Natural Gemstone Canada

96.21$
SKU: AK9908
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.61ct 10.44×7.31×3.90mm Natural Gemstone Canada

102.91$
SKU: AK9907
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.03ct 9.98×7.58×5.06mm Natural Gemstone Canada

119.47$
SKU: AK9906
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.39ct 10.38×7.52×4.93mm Natural Gemstone Canada

133.67$
SKU: AK9905
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.90ct 10.20×7.49×4.44mm Natural Gemstone Canada

114.35$
SKU: AK9904
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.31ct 10.36×8.51×3.15mm Natural Gemstone Canada

91.09$
SKU: AK9903
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.32ct 10.15×7.18×5.11mm Natural Gemstone Canada

130.90$
SKU: AK9902
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.00ct 8.57×6.55×4.41mm Natural Gemstone Canada

78.86$
SKU: AK9901
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.97ct 9.90×7.27×4.77mm Natural Gemstone Canada

117.11$
SKU: AK9900
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.16ct 10.32×8.05×4.64mm Natural Gemstone Canada

124.60$
SKU: AK9899
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.03ct 11.30×8.43×3.78mm Natural Gemstone Canada

119.47$
SKU: AK9898
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.21ct 10.87×7.22×4.70mm Natural Gemstone Canada

126.56$
SKU: AK9897
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.39ct 9.81×8.06×4.99mm Natural Gemstone Canada

133.67$
SKU: AK9896
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 2.57ct 10.10×7.74×3.66mm Natural Gemstone Canada

101.34$
SKU: AK9895
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.67ct 11.11×8.13×4.61mm Natural Gemstone Canada

144.71$
SKU: AK9894
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.54ct 11.97×8.27×3.88mm Natural Gemstone Canada

139.58$
SKU: AK9893
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase 3.55ct 10.95×7.21×5.25mm Natural Gemstone Canada

139.98$
SKU: AK9892
Colours

All Colours, Olive Green

Origin

All Origins, Canada

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Idocrase

Chemical Composition : Ca19Al4Fe(Al,Mg,Fe)8Si18O7 Calcium Aluminum Iron Silicate

Hardness : 6.0 – 7.0

Specific Gravity (Density) : 3.32 – 3.47 (g/cm3)

Refractive Index : 1.698 – 1.742 Uniaxial ( -/+ ) and Biaxial

Vesuvianite (also known as Idocrase) is found in colors ranging from green to brown and also a blue variety called Cyprine. The complexities of its chemistry leads to the wide range of colors and properties. The green variety is similar in color to Peridot gems. Cyprine, the blue variety of Vesuvianite, is colored by the addition of copper to its chemistry and is also refered to as Cupreous Idocrase or Cupreous Vesuvianite.

There are many sources of Vesuvianite such as Asbestos, Quebec, Canada; California, Colorado and the New England region of USA; Mt. Vesuvius, Italy; Ural Mountains, Russia, Switzerland, Tanzania and Kenya. However, there are only a few sources of gem quality crystals. A small amount of gemmy material has come from Asbestos, Quebec, Canada. Recent finds in Tanzania and Kenya have brought some very nicely colored gems to the market. One source of material is from California, USA and has been nick-named Californite or California Jade. This bright green opaque to translucent material comes from near Happy Jack mine, Siskiyou County and near Pulga, Butte County, California.

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