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miners initially thought they had found Emerald
Now the treasures of this singular collection are shown in resplendent photographs that will seduce both the connoisseur of beauty and the student of natural history
The Cockrell Butterfly Center is stocked with over 1500 live specimens of tropical butterflies
777 variable stars
Our planet is in peril and needs your help
Pyrite on Fluorite HED miners initially thought they hadWith small crystals but big impact, this pyrite on fluorite is a fine specimen of two intergrown crystals. Pyrite, also known as "Fool's Gold" due to its yellow metallic hue resembling real gold, and is derived from Greek to mean "stone which strikes fire" because it produces sparks when struck against steel. And speaking of light, fluorite is fluorescent under UV light, emitting a purple blue hue. At 49% fluoride, we can't guarentee it'll keep the
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