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1.35 CTS KORNERUPINE ROUGH CRYSTALS [MGW3452]
- SKU
- Afmetingen (mm)
- x x mm
- Gewicht (cts)
- Certified Gemstones
- Nee
- Kleuren
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MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 1.35 cts app
Size 7 x 6 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.
- SKU
- Afmetingen (mm)
- x x mm
- Gewicht (cts)
- Certified Gemstones
- Nee
- Kleuren
-
MINERAL GEM WORLD
KORNERUPINE ROUGH CRYSTALS
This is a nautral untreated specimen of a rare Kornerupien.
Weight 1.35 cts app
Size 7 x 6 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.
| Verzend provider | Verzending naar Australia | Verzending naar de rest van de wereld |
|---|---|---|
| FedEx | $12.00 / 3 | $39.00 / 10 |
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Australia
FedEx krijgt korting op $12.00 bij bestellingen met 2 of meer artikelen
Rest van de wereld
FedEx krijgt korting op $39.00 bij bestellingen met 2 of meer artikelen
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| Registered Shipping | $9.00 / 7 | $16.00 / 21 |
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Australia
Registered Shipping krijgt korting op $9.00 bij bestellingen met 2 of meer artikelen
Rest van de wereld
Registered Shipping krijgt korting op $16.00 bij bestellingen met 2 of meer artikelen
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PositiefVery special item, rare. Thanks an Happy New Year from Germany.
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Positief
Beautiful stone, perfect packaging, fast shipment, recommendable seller.
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Positief
Incredible stone, never seen before. Thank you from Germany. Will order again Dr. Rainer (medical doctor from Duisburg/Germany)
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Positief
Nice stone, perfect packaging, fast shipping, recommendable.
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Positief
Beautiful small mini, thanks and a good and healthy 2025.
