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This auction is open for bidding from:
Nov. 24, 2017
10:00.00 AM
The auction for these specimens close minutes after the time indicated below ~or~ minutes after the last bid is received.
Nov. 30, 2017
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Nov. 22, 2017
11:59.40 AM

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Specimen Code Number: a18
Learn more about: Woodhouseite
Rare Mineral
Type Locality
Ex Don Cook Col
Size: Small Miniature
4.0x2.2x2.0 cm
Location: Champion Mine
Mono County
White Mountains
Description: This specimen consists of matrix that displays cream to white, rhombic woodhouseite xls to 2mm. It is only known to be found in two locations in the world (US and Brazil) and this piece hails from the type locality for the species. Comes with a couple of older collection cards.

According to Wikepedia, Woodhouseite is a secondary mineral found where wall rock alteration occurred in hydrothermal and disseminated ore deposits; rare in cave deposits, formed from guano. At the type locality it occurs in vugs in quartz veins in an andalusite, Al2OSiO4, deposit. This is in pre-Cambrian meta-quartzite that has been intruded by late Jurassic granitic rocks. Woodhouseite is found only near masses of lazulite, MgAl2(PO4)2(OH)2. Associated Minerals at the type locality include topaz, Al2SiO4F2, quartz, SiO2, augelite, Al2PO4(OH)3, lazulite, MgAl2(PO4)2(OH)2, tourmaline, baryte, BaSO4, muscovite, KAl2(Si3Al)O10(OH)2, and pyrophyllite, Al2Si4O10(OH)2, all of which formed before the woodhouseite, which is a late-forming mineral.
Contact Dealer: Andrei Rykoff
Dealer Rating:  9.7 / 10.0  - Rate this Dealer
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Contact John Veevaert: John Veevaert
SOLD for: $6.00