|Dimensions (mm)||52 x 44 x 10mm|
|Weight (carats)||265 carats|
This is a natural untreated slab which is transparent and showing colours of mauve and purple. Mined in Turkey.
We have taken both sides of the stones and the pictures are wet.
Dumortierite is a fibrous variably colored aluminium boro-silicate mineral, . Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals. The crystals are vitreous and vary in color from brown, blue, and green to more rare violet and pink. Substitution of iron and other tri-valent elements for aluminium result in the color variations. It has a Mohs hardness of 7 and a specific gravity of 3.3 to 3.4. Crystals show pleochroism from red to blue to violet. Dumortierite quartz is blue colored quartzcontaining abundant dumortierite inclusions
Admin , buyer refunded This rough have cracks that are not shown in the pictures and make it worthless. Very disappointed with it, as neither description, neither photos lead to think that is so heavy cracked and is pure waste of money.
QUALITY ROUGH Reply:
Sorry to hear please return for a refund
|Starts||19th Jan 2018 4:35pm PST|
|Ends||22nd Jan 2018 4:34pm PST|
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