Help identifying clear tobcloudy stone

[Nikki24401]

. Not sure what this is. Quartz maybe ??

 

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[Rific]

Try doing a hardness test on it. Looks up the Mohs hardness scale...if it quartz, you should have a hard time scratching it with quartz. If its a piece of glass (which i've recently found a piece of ) then it will scratch fairly easily. Jump down or up the scale depending on what sratches and doesnt. Quartz is a cheap easy mineral to find/identify to use in your hardness test.

 

[Moesia]

Use a steal knife. Pres it hard.

 

[DDancer]

As Rific pointed out a hardness test is needed. The stone your showing indicates to me it might be topaz or some other crystal with a clean fracture line indicated by the flat on the stone face you've pictured. It does not appear to be glass in the photo.

 

[Nikki24401]

The knife didn't do anything. It left a mark but didn't cut it, I easily wiped mark with my finger. I have new cutco knives too. I just did a density test roughly 2.9-3.3

 

[DDancer]

The hardness is better than 6.5, try a bit of quartz hardness 7. Provided you did the density right and quartz fails to scratch it I'd say you have topaz there.

 

[Nikki24401]

Thanks for the help everyone, it has been identified as topaz: very cool find and this also helped me stumble across some kind other cool stuff

 

[DDancer]

Thanks for the feed back. Its a whooper

 

[IAMZIM]

Thanks for the help everyone, it has been identified as topaz: very cool find and this also helped me stumble across some kind other cool stuff

That's awesome! I have a rock I had tested because I kept getting a hardness of 8, which topaz is, the color, the hardness, and a fracture that looked like cleavage all pointed to topaz, until they did the refraction test, and that proved it to be a really hard piece of citrine. I was bummed it wasn't topaz, but the geologists were excited that it was citrine, because it is very rare for this area, and the color is awesome on it, I plan on getting it faceted into a nice gemstone! Long story short, I am a little jealous you have found topaz and I have not! Congratz!

 

[Eu_citzen]

Congrats on the topaz!

IAMZIM, a hardness of 8 on a citrine? How did you come to that conclusion?

 

[IAMZIM]

Congrats on the topaz!

IAMZIM, a hardness of 8 on a citrine? How did you come to that conclusion?

I agree, it does not make sense, in fact the two geologists were convinced that it was topaz, until they did the refraction test! They tested both oils for quartz and for topaz and on that test it came out as quartz. They spent about an hour and a half doing the tests and showing me what they were doing and how they worked, it was pretty fun really! They told me that it is possible for quartz to be harder than normal, and even softer than normal, but it definitely had them confused a little! And, they admitted that, they were confident that it was quartz, but not POSITIVE, so, we just went with quartz. Maybe I will make a post about it when I get time, i've been terribly busy of late, but if you are interested, I'll try and make some time to post it. And once again, AWESOME find Nikki204401, Topaz is on my bucket list, I may have to go to Utah to get mine!

 

[stdenis_jd]

Aluminum perfectly mixed with the silica possibly? Or would the Al turn the silica a different color...

 

[IAMZIM]

Aluminum perfectly mixed with the silica possibly? Or would the Al turn the silica a different color...

Aluminum is present in Topaz, however, the aluminum in topaz can't be detected by an XRF, I'm not sure aluminum affects the color, as I think all topaz, of any color has aluminium present, but I'm not an expert on that, someone with more experience would have to chime in on that.......but I think I understand what you are thinkin'!