IF YOU LOVE GEMS, PEARLS, OPALS, YOU'LL LOVE US
Categories GEMS TOPAZ
TOPAZ
The Topaz is a silicate d'aluminium. It is constituted of aluminium, silicium and oxygen, but also fluor and ion oxhydryle ( group formed of a atom of oxygen and atom of hydrogen.
His hardness is 8
Déposits the richest are located in Brazil, particularly in the Minas Gerais, and the regions of Téofilo Otoni. It there exist also in Pakistan, Russia (l'Oural) Mexico, Sri Lanka, Madagascar and Nigeria. For information Topaz intense blue is obtained by bombardment gamma rays on the crystals, often used for imitate the Aquamarine.
TOPAZProduct no.: TO051Size : 20.00 x 15.10 mm x 10.30 mm épaisseur Weight : 25.11 karats Shape : oval Quality : VVST1 Delivery period: 2 working days |
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TOPAZEProduct no.: TO031Size : 16.10x11.80 mm x 7.90mm Weight : 8.93 carats Colour : green, blue, red, smoke Quality : VVST1 Origin : BRAZIL Delivery period: 2 working days |
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TOPAZProduct no.: TO039Size : 27.00 x 12.30 mm x 7.90 mm Weight : 18.17 karats Shape : marquise Colour : blue sky Quality : VVST1 Origin : BRAZIL Delivery period: 2 working days |
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TOPAZProduct no.: TO025Size : 26.00 x 16.10 mm x 10.70 mm Weight : 38.69 carats Shape : emerald Colour : blue london Quality : VVS Origin : BRAZILGG Delivery period: 2 working days |
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