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Join date: Sep 3, 2020
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Mar 18, 2017 ∙ 1 min
Aragonite - Santa Eulalia, Chihuahua, Mexico
This is a large (25cm x 15cm x 15 xm) coralloid formation of Aragonite from Santa Eulalia, Chihuahua, Mexico. I don't know if coralloid...
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Mar 17, 2017 ∙ 1 min
Escherlike crystals of Adamite
This is a nice little gemmy Adamite from the Ojuela Mine, Mapami, Durango, Mexico. It is pretty small (4.2 cm x 3.1 cm x 1.6 cm, 28.3...
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Apr 16, 2015 ∙ 7 min
Buyers Guide to the new 365 nm LED UV flashlights
I have happily been using and recommending the Convoy S2+ 365 nm UV flashlight since early 2017 when Mark Cole first posted about it. It...
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Doug Bank

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