AD/TRADE HELLYERITE

[Alan]

Dear Group, Hi I would like some pale blue Hellyerite CRYSTALS small cabinet/Thumbnail/micro in size.

I am willing to trade or purchase. Many thanks in advance.  Alan s

[steve]

Hi Alan

Hellyerite crystalline specimens are very rare, and every specimen that I know of that has left Tasmania, has altered to a green amorphous mineral.


Regards
Steve

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[Alan]

Thanks for the heads up. Would that be zaratite ?
Alan s

[SmartArts]

Hi Alan. The answer is "zaratite-like phases" (ref: new Catolgue of
the Minerals of Tasmania).

Regards
Steve

[Ralph Bottrill]

We do need to define what zaratite is a bit better, but its generally amorphous hydrous nickel carbonates, which fits the alteration product of hellyerite, even though it's not always so glassy as classic zaratite.

regards
Ralph Bottrill
Mineral Resources Tasmania
03 6233 8359

-----Original Message-----
From: eMin...@googlegroups.com [mailto:eMin...@googlegroups.com] On Behalf Of SmartArts
Sent: Wednesday, 17 June 2009 20:15
To: eMinerals
Subject: [eMinerals] Re: AD/TRADE HELLYERITE

[Alan]

Ralph, AS usual, Brilliant.
Regards, Alan .