Gem Silica is a rare blue green variety of chalcedony that gets its coloring from the presence of copper. Some of the nicer quality material is found in Arizona. I received a couple of trimmed pieces to cut for Paul, owner of The Rare Rock Shop in Southern Utah. I go through the cutting process showing how I cut these gemstones.
Pages that I use for free faceting diagrams
facetdiagrams.org/
www.gemologyproject.com/wiki/...
Amazon Affiliate Links. Disclaimer: as part of Amazon's Associates program, I make a small commission off amazon sales through affiliate links. These are products that I use that can be found on Amazon.
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11 май 2023
