Blue Opal, Matched Pairs, Cabochons, 25, 50 or 100 Gram Lot, Assorted Shapes & Sizes

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Blue Opal, Matched Pairs, CabochonsAssorted Shapes & Sizes 

This image is of a similar assortment of 100 grams of Blue Opal, Matched Pairs.  

50 gram lots will be 50% less pieces.

25 gram lots will be 75% less pieces. 

Millimeter sizes mentioned are a suggested range, not a guarantee.

Blue Opal is a type of Common Opal that is high in silica and is generally opaque and does not show the “fire” like that of Precious Opals.  Blue Opals have a pleasant light baby boy blue color with some whiten blue portions. 

Blue Opal can be found in Australia, Mexico, Peru, Canada, China and Oregon.

Hardness 5.5-6

This is a natural stone that has had no treatment other than cutting, and polishing.