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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Aug 5, 2017 20:26:47 GMT -5
There are magnetite (sometimes with titanium and vanadium) deposits scattered through the Laramie Range (mostly to the north of Laramie itself). Can look very similar to what you have.
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Post by fernwood on Aug 6, 2017 5:27:27 GMT -5
Did you do the ceramic test? Try using it to scrape a matte finish tile, etc. What color is the streak? The color will help with ID.
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timloco
has rocks in the head
Member since April 2012
Posts: 545
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Post by timloco on Aug 6, 2017 13:02:39 GMT -5
OK streak is black, hardness is somewhere between 5 and 6, so magnetite sounds right to me. Thanks! First chunk of this in my collection :-)
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