FREE: Olivin (Peridot) Mineral Specimen
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Mineral collectors take note: Large portion of an Olivine (Peridot) volcanic bomb from Kilbourne Hole, New Mexico. This xenolith (chunk of the earths mantle (at least 25miles below the surface)) exploded from the ground about 200,000 years ago and is entirely comprised of Olivine as little crystals (to 3mm) compacted together. The color of the crystals are clear apple green to dark olive green(fayalite to forsterite end members), with some black pyroxene crystals. A thin basalt crust coats the specimen on one side. A beautiful example of what the earth is made of!
Size: (wedge shaped) Approx 2"L x1.5-2"w x 1.5" tall (bowl shaped) Coin for scale.
Shipping $3 (its a dense mineral). USA only.
Will Combine
Paypal, M/O or Concealed chash excepted. Thanks
For more rocks and specimens see my other auctions!
Rock, gem, mineral, raw, natural, stone, crystal
Questions & Comments
Olivin (Peridot) Mineral Specimen is in the
Collectibles
category
Is this rock brittle or solid and compact?
Thanks!