collapse

Author Topic: Green Gemstone found in Hobart  (Read 3728 times)

mezanene

  • Newbie
  • *
  • Posts: 2
Green Gemstone found in Hobart
« on: January 31, 2016, 09:08:47 PM »
Hi Everyone,

 Found this stone on the foreshore in Hobart. I was imbedded in the natural rock. I was wondering if someone could tell me what it is?



 Thanks

    Steve

[attachment deleted by admin]
« Last Edit: February 04, 2016, 07:59:26 AM by Aussie Sapphire »

MrSydney

  • ALF'er Platinum
  • *
  • Posts: 370
Re: Green Gemstone found in Hobart
« Reply #1 on: February 01, 2016, 12:36:32 AM »
It isn't visible on this thread.  You'll need to post a pic in the Gallery.

steveo

  • ALF'er VIP
  • *
  • Posts: 543
Re: Green Gemstone found in Hobart
« Reply #2 on: February 01, 2016, 12:55:58 AM »
  Pic came up on my .pdf reader, looks like Prehnite. Maybe?
Steve

MakkyBrown

  • Administrator
  • ALF'er VIP
  • *****
  • Posts: 1519
Re: Green Gemstone found in Hobart
« Reply #3 on: February 01, 2016, 11:48:45 AM »
Agate/Chalcedony maybe. When you say imbedded? I'm not sure. What did the host rock look like? Olivine basalt or sedimentary(drop stone).

this might help
http://www.mrt.tas.gov.au/mrtdoc/dominfo/download/ER8312S0/ER8312S.pdf

mezanene

  • Newbie
  • *
  • Posts: 2
Re: Green Gemstone found in Hobart
« Reply #4 on: February 01, 2016, 07:18:41 PM »
It looked like it was is a sandstone sediment layer. I have added a new picture

« Last Edit: February 04, 2016, 08:02:11 AM by Aussie Sapphire »

havarim

  • ALF'er Gold Member
  • *
  • Posts: 111
Re: Green Gemstone found in Hobart
« Reply #5 on: February 01, 2016, 08:51:42 PM »
looks like prenite to me   is it know in that area

MakkyBrown

  • Administrator
  • ALF'er VIP
  • *****
  • Posts: 1519
Re: Green Gemstone found in Hobart
« Reply #6 on: February 01, 2016, 11:33:37 PM »
Not that I've heard off(or seen any) but .. there are a couple of mentions here http://eprints.utas.edu.au/14352/1/1961_Green_Geology_South_Arm.pdf
Small fleck bits in sandstone.
Could be worth doing some more research it could well be prehnite.
There is transported agate, chalcedony,carnelian, wood and other bits and pieces along the shores of the Derwent in the Hobart area.
I'll see what I can find out tomorrow, I'll ask a couple of blokes that should know.
Cheers
Andrew

Tags:
 

Recent Activities

Joke of the Day by Ghost
[October 23, 2021, 08:29:58 PM]


Advice on Lamberts and other overseas cutters by Aussie Sapphire
[October 22, 2021, 07:21:02 AM]


Making your own concave cutter mandrels by Faceting Frank
[October 21, 2021, 02:56:08 PM]


Flinders Island, TAS - Hunting for Killiecrankie Diamonds by MrSydney
[October 18, 2021, 12:18:19 PM]


what is the leveling system on the forum by pc bowe
[October 11, 2021, 01:06:38 PM]


I have a recommendation for the forum by The Aussie Boy
[October 10, 2021, 11:46:59 AM]


High bankers by The Aussie Boy
[October 10, 2021, 11:45:47 AM]


Tuena by The Aussie Boy
[October 10, 2021, 11:43:04 AM]


What does jaeper look like by geowork
[October 07, 2021, 01:31:50 PM]


Caves beach rocks that have been found or could be founds by MrSydney
[October 04, 2021, 12:06:06 PM]


Dopping with epoxy by geowork
[September 25, 2021, 08:22:56 PM]


Cooking Matrix Opal by Barry Simiana
[September 25, 2021, 11:47:34 AM]


Facetron Encoder Mod Thread by RoughCreations
[September 23, 2021, 11:14:30 AM]


Gems stolen, Mt Surprise by starsapphire78
[September 14, 2021, 09:07:23 PM]


Back after long layoff by Bucket
[September 14, 2021, 03:27:15 PM]