|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
PERU BLUE OPAL ROUGH
This is a natural untreated blue rough from the andes in Peru which has interesting dendritic inclusions in it
Hardness Mohs scale 5.5 to 6.5
Transulant to Transparent.
Weight 10.25 cts app
Size 21 x 15 x 9 mm app
Note we have taken the photo with the stone DRY
The patterns are found in microscopic fissures that cause them to branch out like tree limbs or fern like inclusions.It is usually a iron silicate.
This is the national stone of Peru
Peruvian blue opal is relatively rare and is only found in the Andes mountains near San Patricio, Peru. It is a very translucent stone with color similar to the Caribbean Sea. Depending on how the stone is cut it can be clear, scenic (showing varying degrees of color) or dendritic which has black fern like inclusions.
|Starts||5th Dec 2016 3:02pm PST|
|Ends||7th Dec 2016 3:00pm PST|
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