3.45 CTS KORNERUPINE ROUGH (3 PCS) CRYSTALS [MGW3454]
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- Gewicht (cts)
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MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 3.45 cts app
Size 7 x 6 x 4 mm app
Kornerupine is a rare boro-silicate mineral. It crystallizes in the orthorhombic - dipyramidal crystal system as brown, green, yellow to colorless slender tourmaline like prisms or in massive fibrous forms. It has a Mohs hardness of 7 and a specific gravity of 3.3 to 3.34. Its indices of refraction are nα=1.660 - 1.671, nβ=1.673 - 1.683 and nγ=1.674 - 1.684.
It occurs in boron-rich volcanic and sedimentary rocks which have undergone high grade metamorphism. It is also found in metamorphosedanorthosite complexes.
| Versandanbieter | Versand nach Australien | Versand in den Rest der Welt | Kombiversand ( Australien ) | Kombiversand (Rest der Welt) |
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- Artikelnummer
- Abmessungen (mm)
- x x mm
- Gewicht (cts)
- Certified Gemstones
- NEIN
- Farben
-
MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 3.45 cts app
Size 7 x 6 x 4 mm app
Kornerupine is a rare boro-silicate mineral. It crystallizes in the orthorhombic - dipyramidal crystal system as brown, green, yellow to colorless slender tourmaline like prisms or in massive fibrous forms. It has a Mohs hardness of 7 and a specific gravity of 3.3 to 3.34. Its indices of refraction are nα=1.660 - 1.671, nβ=1.673 - 1.683 and nγ=1.674 - 1.684.
It occurs in boron-rich volcanic and sedimentary rocks which have undergone high grade metamorphism. It is also found in metamorphosedanorthosite complexes.
| Versandanbieter | Versand nach Australien | Versand in den Rest der Welt | Kombiversand ( Australien ) | Kombiversand (Rest der Welt) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Registered Shipping |
|
|
|
|
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