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Digital Subscriptions > Rock&Gem Magazine > March 2019 > Getting the Best Pattern from Glass Buttes Mahogany Obsidian

Getting the Best Pattern from Glass Buttes Mahogany Obsidian

The swirly material shown is uncommon but is a definite indicator of it being present in some specimens.

Over the years I have become almost obsessed with working obsidian. It is rather abundant and the varieties that are possible are numerous. Most of the collecting sites are still producing examples of the classic colors and patterns in reasonable sizes. The most important thing is knowing and understanding how to properly orient the material to expose the particular pattern or effect that you are looking for.

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Rock & Gem March 2019, Special Section : Tools of the Trade, Answers to Agate Questions, Prehistoric Texas : Home to Mammoths & Dinosaurs, And More.....