http://hypocentral.com/rock/archives/553 A rock a day in 2010 and 2012 Wed, 26 Dec 2012 03:35:11 +0000 hourly 1 https://wordpress.org/?v=3.9.40 http://hypocentral.com/rock/archives/553#comment-26 Sat, 03 Jul 2010 00:03:37 +0000 http://hypocentral.com/rock/archives/553#comment-26 To be honest this sample may not be ‘native’ (there is no information with the specimen) but mindat lists several localities for silicon including a type locality in Cuba.

]]> http://hypocentral.com/rock/archives/553#comment-25 Fri, 02 Jul 2010 23:38:24 +0000 http://hypocentral.com/rock/archives/553#comment-25 Really? Naturally occurring elemental silicon? I didn’t know such a thing existed! How weird! What’s the environment?

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