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Identity HelpMineral ID Assistance

17th Aug 2010 02:18 UTCMonica Ceretti

00082650017075555518991.jpg
Copyright © mindat.org
Hi all,


I'm hoping someone here can identify the rootbeer-brown (with bits of sparkly white) specimen pictured below and provide info on its likely locality.


Please note: in Photo 1 it appears that this specimen in flat on one end, but in reality both ends have three facets that terminate at a point. On one end the three facets are relatively similar in size; on the other end one facet is much larger than the other two simarly-sized facets.


As always, my sincere thanks.

Monica


00389820017075555515707.jpg
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17th Aug 2010 03:20 UTCStephanie Martin

Dravite?

17th Aug 2010 03:26 UTCSam Cordero, Jr.

Do you have any identification tools ? If you have an old ceramic tile, the bottom is usually white, here you can perform a streak test by scraping the specimen on the tile and observing it's color. Try and stay away from the "white sparkly stuff" when performing this test, it's not relevant at this point. Another easy test is a hardness test. You can start by trying to scratch it with your finger nail, then you can begin to try other things. If you look on the internet a hardness scale for beginners is available, I don't remember the website. So know you know 1- the streak color, and 2 the hardness, or at least you have approximations. These 2 simple ways to begin to identify the specimen. Good luck !

17th Aug 2010 03:41 UTCDana Slaughter 🌟 Expert

Dravite with muscovite from Yinnietharra Station, Western Australia, Australia. Stephanie was absolutely correct!


Dana

17th Aug 2010 03:45 UTCRobert Meyer Manager

I am thinking Dravite, similar to what I have seen from the Pilbara Region, AU-WA.


Bob

17th Aug 2010 05:12 UTCMonica Ceretti

Thanks to all who responded. I've never even heard of Dravite so you've given me something interesting to research further. And a special thanks to Sam for the info re: ID tools. I'll pursue this as well.


Best wishes,

Monica

17th Aug 2010 22:16 UTCSam Cordero, Jr.

Your welcome Monica, good luck in the future !
 
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