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Posted: **March 13th, 2012, 5:13 pm**

That is (Click to Show Hidden Text)

topaz, Al2SiO4(F,OH)2, hardness 8

Posted: **March 13th, 2012, 5:25 pm**

Posted: **March 13th, 2012, 5:50 pm**

Possibly (Click to Show Hidden Text)

Beryl, hardness 8, formula Be3Al2(SiO3)6?

Posted: **March 13th, 2012, 6:22 pm**

If not that then

? (Click to Show Hidden Text)

apatite Hardness 5, Formula Ca5(PO4)3(F,Cl,OH)

Posted: **March 13th, 2012, 6:32 pm**

Wadhk wrote:If not that then
? (Click to Show Hidden Text)
apatite Hardness 5, Formula Ca5(PO4)3(F,Cl,OH)

Wadhk has got it.

Posted: **March 13th, 2012, 7:35 pm**

Posted: **March 14th, 2012, 3:07 pm**

A guess (Click to Show Hidden Text)

Milky quartz

Posted: **March 14th, 2012, 6:32 pm**

Yup. Your turn.

Posted: **March 16th, 2012, 2:29 pm**

Identify this mineral (Click to Show Hidden Text)

[img]http://skywalker.cochise.edu/wellerr/mineral/galena/6galena4837.JPG[/img]

Posted: **March 16th, 2012, 2:42 pm**

I wish I could hold it, I usually identify this mineral by weight (Click to Show Hidden Text)

galena

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