Magnesite and Serpentine

Ben78 · Nov 21, 2013

Here's some Magnesite and Serpentine I picked up today. This is the first Magnesite that I have picked up that shows the nodular form. It is basically Magnesium Carbonate. The Serpentine is interesting, ranges to almost a translucent green to creamy green to red. Only recently started collecting minerals as I've not been anywhere that has them before!

Ramjet · Nov 21, 2013

Center one is cauliflower

Ben78 · Nov 21, 2013

My wife said the same thing...

Nugget · Nov 21, 2013

Nice rocks Ben, is the Serpentine from from Hanging Rock?

Ben78 · Nov 21, 2013

Nope, between Tamworth and Barraba. The Serpentine Belt is 500km long!

Nugget · Nov 21, 2013

Wow that long. Have you seen this PDF before? Geology of Hanging Rock and Nundle State Forests - https://www.prospectingaustralia.com/forum/doc/member-docs/3/0563422363_Geology-of-Hanging-Rock-and-Nundle-State-Forests.pdf

Ben78 · Nov 21, 2013

This is the Magnesite mine

And this is the gravel pit that the samples came from - entire pit is serpentine with the Magnesite mixed in. BHP owned this mine.

Heatho · Nov 21, 2013

Nice one's Ben, I always pick up any interesting rocks I see.

Ben78 · Nov 21, 2013

Nugget said:
Wow that long. Have you seen this PDF before? Geology of Hanging Rock and Nundle State Forests - https://www.prospectingaustralia.com/forum/doc/member-docs/3/0563422363_Geology-of-Hanging-Rock-and-Nundle-State-Forests.pdf

Yep, its actually currently open in one of my tabs to remind me to print it out. You can also download the drill geology reports for heaps of the EL drilling programs - eg http://smedg.org.au/M&W 2010/Vickery Attunga W-Co-Cu Skarns.pdf

Ben78 · Nov 21, 2013

Apparently the Magnesite was used to line the furnaces at the Newcastle BHP Steelworks.

Magnesite and Serpentine

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