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1.05 CTS KORNERUPINE ROUGH CRYSTALS [MGW3499]
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Certified Gemstones
- Non
- Taper
- Specimen
- Couleurs
-
MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 1.05 cts app
Size 8 x 7 x 3 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.
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Certified Gemstones
- Non
- Taper
- Specimen
- Couleurs
-
MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 1.05 cts app
Size 8 x 7 x 3 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.
| Fournisseur d'expédition | Expédition vers Australia | Expédition dans le reste du monde |
|---|---|---|
| FedEx | $12.00 / 3 | $39.00 / 10 |
|
Australia
FedEx bénéficie d'une remise de $12.00 sur les commandes contenant 2 ou plus d'articles
Reste du monde
FedEx bénéficie d'une remise de $39.00 sur les commandes contenant 2 ou plus d'articles
|
||
| Registered Shipping | $9.00 / 7 | $16.00 / 21 |
|
Australia
Registered Shipping bénéficie d'une remise de $9.00 sur les commandes contenant 2 ou plus d'articles
Reste du monde
Registered Shipping bénéficie d'une remise de $16.00 sur les commandes contenant 2 ou plus d'articles
|
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PositifVery special item, rare. Thanks an Happy New Year from Germany.
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Positif
Beautiful stone, perfect packaging, fast shipment, recommendable seller.
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Positif
Incredible stone, never seen before. Thank you from Germany. Will order again Dr. Rainer (medical doctor from Duisburg/Germany)
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Positif
Nice stone, perfect packaging, fast shipping, recommendable.
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Positif
Beautiful small mini, thanks and a good and healthy 2025.
