27.15 CTS SKY BLUE PERU OPAL ROUGH [VS7696]

Item Information

Dimensions (mm) 27 x 19 x 10mm
Weight (carats) 27.15 carats
Colors

PERU SKY BLUE OPAL ROUGH

Peru blue opals were found in 1983 in a cooper mining operation in Lima Acari-production has now ceased. The colours range from neon blue to mint green to clear with all shades in between.Some have dendtritic [fern like] inclusions that make interesting stones. It is fine traces of copper trapped in the crystal structure thats gives it the color.

The rough has been taken dry.
Sky blue colour.

DENDRITIC  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

Closed

1 bid placed so far
$38.00 ally
2nd Aug 2017 7:15pm PDT
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Pricing & Details

Bid Increment $1.00
Starting Bid $38.00
Auction ID 649961
Watchers 3 watching
Viewed 295 times
Starts 2nd Aug 2017 5:48pm PDT
Ends 2nd Aug 2017 7:15pm PDT

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