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7.90 Carats Beautifull Fancy Cushion Cut Natural Apatite Gemstone
- SKU
- Dimenzije (mm)
- 13.000 x 11.000 x 7.000mm
- Težina (cts)
- 7.900
- Treatment
- No Treatment
- Tip
- Faceted
- Shape
- Cushion
- Boje
-
weight: 7.90 carats
dimension: 13 x 11 x 7 mm
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the three most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6F2 and Ca10(PO4)6Cl2.
The mineral was named apatite by the German geologist Abraham Gottlob Werner in 1786,[3] although the specific mineral he had described was reclassified as fluorapatite in 1860 by the German mineralogist Karl Friedrich August Rammelsberg. Apatite is often mistaken for other minerals. This tendency is reflected in the mineral’s name, which is derived from the Greek word απατείν (apatein), which means to deceive or to be misleading
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- SKU
- Dimenzije (mm)
- 13.000 x 11.000 x 7.000 mm
- Težina (cts)
- 7.900
- Treatment
- No Treatment
- Tip
- Faceted
- Shape
- Cushion
- Boje
-
weight: 7.90 carats
dimension: 13 x 11 x 7 mm
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the three most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6F2 and Ca10(PO4)6Cl2.
The mineral was named apatite by the German geologist Abraham Gottlob Werner in 1786,[3] although the specific mineral he had described was reclassified as fluorapatite in 1860 by the German mineralogist Karl Friedrich August Rammelsberg. Apatite is often mistaken for other minerals. This tendency is reflected in the mineral’s name, which is derived from the Greek word απατείν (apatein), which means to deceive or to be misleading
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Paypal Accepted
Thanks
| Pružatelj usluge dostave | Dostava u Thailand | Dostava u ostatak svijeta |
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| Registered Shipping | $16.00 / :dani dani | $16.00 / :dani dani |
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Registered Shipping je snižen na $16.00 na narudžbe s 2 ili više artikala
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PozitivanThanks for all.Nice and good quality.Best greetings.
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Pozitivan
Paid and shipped - no feedback left after 100 days
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Neutralan
Unfortuntely this items was lost in transit Seller was slow to respond and never gave any tracking updates after repeated status requests After over 3 months the seller gave a full refund
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Pozitivan
Paid and shipped - no feedback left after 100 days
