Item Information

Dimensions (mm) not provided
Weight (carats) not provided


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.

18h 18m 21s

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Pricing & Details

Bid Increment $1.00
Starting Bid $14.00
Auction ID 164639
Watchers 8 watching
Viewed 1,235 times
Starts 26th May 2017 4:02pm PDT
Ends 28th May 2017 4:00pm PDT

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