3.45 CTS KORNERUPINE ROUGH (3 PCS) CRYSTALS [MGW3454]
- SKU
- Dimenzije (mm)
- x x mm
- Težina (cts)
- Certified Gemstones
- Ne
- Boje
-
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.
- SKU
- Dimenzije (mm)
- x x mm
- Težina (cts)
- Certified Gemstones
- Ne
- Boje
-
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.
Pružatelj usluge dostave | Dostava Australia | Dostava u ostatak svijeta |
---|---|---|
FedEx | $12.00 / 3 | $39.00 / 10 |
Australia
FedEx je snižen na $12.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
FedEx je snižen na $39.00 na narudžbe s 2 ili više artikala
|
||
Registered Shipping | $9.00 / 7 | $16.00 / 21 |
Australia
Registered Shipping je snižen na $9.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
Registered Shipping je snižen na $16.00 na narudžbe s 2 ili više artikala
|
-
Pozitivan
Great thank very much, lovely pearls.
-
Pozitivan
Nice piece of rough. thankyou
-
Pozitivan
Nice stone. Thankyou
-
Pozitivan
Have received the rough. Nice colour. Thankyou
-
Pozitivan
Beautiful ametrine. Very fast delivery. Professional seller