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Montgomeryite & Whitlockite
- Tip Top Mine, Fourmile, Custer Mining District, Custer Co., South Dakota
- Miniature, 6.2 x 3.1 x 3.0 cm
- Start Time: 10/17/2019 6:30:00 pm (CDT)
- End Time: 10/24/2019 6:30:00 pm (CDT)
- Auction Closed
Item Description
Sprays of pretty rose-red, lustrous and translucent montgomeryite lathes are densely clustered or isolated on the pink microcline cleavage matrix. Drusy, sparkly colorless whitlockite scattered about is a typical accessory. The famous Tip Top Mine, a pegmatite mined for beryllium, is well-known for its rare phosphate species, such as these two species. A showy and highly representative example of the rare species and locale.
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