|Dimensions (mm)||43 x 35 x 8mm|
|Weight (carats)||155 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
The stones came as described. However I chose 5-day shipping and my order was processed wrong by the seller and sent by standard mail. This was quite inconvenient as i planned to use these stones to make gifts this holiday season and my parcel arrived two100 CTS PINK TOURMALINE ROUGH PARCEL [F4744]
|Starts||22nd Aug 2017 5:32pm PDT|
|Ends||22nd Aug 2017 5:54pm PDT|
|Registered Shipping||$19.00||10 Days|
|Standard Shipping||$4.00||21 Days|
|Shipping Insurance all providers $7.00 (optional)|