What Rock Is This?
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adrian ss- Contributor Plus
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Registration date : 2015-07-03
Re: What Rock Is This?
Yes mate that is what I thought but that stuff is very rare and so I was swayed away from it. I can not think what else it could be tho?....It seems to be very, very, very weakly attracted to a very strong magnet.
adrian ss- Contributor Plus
- Number of posts : 4351
Age : 77
Registration date : 2015-07-03
Re: What Rock Is This?
The black spots visible on charoite are most likely Aegirine.
Aegirine (chemical composition NaFeSi2O6) in which iron is known to be present in the form of Fe3+ mixed in with charoite, hence its very weak magnetic properties.
Less the stone is synthetically or laboratory made?
BTW, the stones setting, wouldn't have the presence of any iron in it, would it?
Kon
Aegirine (chemical composition NaFeSi2O6) in which iron is known to be present in the form of Fe3+ mixed in with charoite, hence its very weak magnetic properties.
Less the stone is synthetically or laboratory made?
BTW, the stones setting, wouldn't have the presence of any iron in it, would it?
Kon
Re: What Rock Is This?
Setting is stamped and tests as 925 sil although the metal back of the setting is more attracted to the magnet than the cab side?? Might be dodgy silver?
Looks like a Ruski setting design.
Charoite it is.
Looks like a Ruski setting design.
Charoite it is.
adrian ss- Contributor Plus
- Number of posts : 4351
Age : 77
Registration date : 2015-07-03
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