You've held peridot in your hand.

Space/Science » in reply to What is required to make peridot?

podrock — 2/25/2006 4:43:36 AM (archived)

It was in the mineral identification lab test. Collected from a xenolith in a diatreme in the Southwest USA. That was a pretty nice, gem quality specimen.

The whole thread (16 posts)

Stardust scientists find microscopic gems in returned comet samples. - Jacob Samorodin - 2/22/2006 12:08:12 AM
- re: Stardust scientists find microscopic gems in returned comet samples. - Marcia - 2/25/2006 11:26:51 PM
- i.e.: olivine - podrock - 2/23/2006 4:04:44 AM
  - forming olivine. - nick hoffman - 2/23/2006 10:36:46 AM
    - re: forming olivine. - Tom Brosz - 2/24/2006 11:17:48 PM
  - What is required to make peridot? (n/t) - R.L. - 2/23/2006 4:58:23 AM
    - You've held peridot in your hand. - podrock - 2/25/2006 4:43:36 AM
    - The chemical makeup is (Mg, Fe)2SiO4. (n/t) - REB - 2/24/2006 2:58:31 PM
      - In this case, Forsterite, the Mg end o' the series. - podrock - 2/25/2006 4:36:12 AM
        
        Forsterite is also a condensate mineral. - CondensETion you say? - 2/25/2006 5:02:13 AM
- re: Stardust scientists find microscopic gems in returned comet samples. - ljk - 2/22/2006 6:44:41 PM
  - LOL! ;-) - Jacob Samorodin - 2/23/2006 12:53:54 AM
    - re: LOL! ;-) - Lance - 2/23/2006 9:47:55 PM
    - re: LOL! ;-) - ljk - 2/23/2006 5:30:33 AM
- Restarting heart...thought the word was "germs" when I logged in. (n/t) - Tom Brosz - 2/22/2006 2:55:32 AM
  - re: For Stardust, germs would have been better than gems. Black Pearls too. :) (n/t) - Marcia - 2/26/2006 1:22:05 AM

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