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Rock & Gem
-
2020-10-01
EYE ON OPAL IN OCTOBER —
Turning to the “Other” Tourmaline Crystals
Earthquake Shakes East Coast; History-Making Tanzanite Discovery
Rockhounding and Clubs Create Lifelong Connections
Ancient Painters’ Palette
Mexican Purple Passion Agate
Marvel at Manganese Dendrites
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Rock & Gem - 2020-09-01
Rock & Gem - 2020-11-01