Quartz : SiO2

Copyright © Rob Lavinsky & irocks.com
minID: 29P-GQ6

Quartz : SiO2

Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.

Note: The mineral species Quartz is not listed in our database for this locality. This specimen may be misidentified or the mindat list of minerals at this locality may be incomplete.

Dimensions: 5.8 cm x 2.7 cm x 0.9 cm

Totally bounded by faces, this translucent and partially hollow specimen, occurs as the non crystalline center of certain agates. Definitely not a common occurrence in the stock of mineral dealers. I have never seen one of these from anywhere but Brazil. From California ?!?! NOTE FROM A FRIEND: These polyhedrons occurred in a Tungsten mine near Bishop, California. The correct spelling is “Pine Crik”, according to Ed Weber (Weber’s Minerals of Encinitas). I got mine from Ed, who had them in his geode collection. According to Ed; these were found in the late 60’s through the early 70’s. - Russ Rizzo 5.8 x 2.7 x 0.9 cm

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Photo added: 27th Oct 2005