Polycrase-(Y) (ex Allen Heyl Collection)

White Cap pegmatite, South Platte Pegmatite District, Jefferson County, Colorado
Small Cabinet, 6.8 x 5.3 x 4.6 cm
Start Time: 01/22/2015 6:45:00 pm (CST)
End Time: 01/29/2015 6:55:53 pm (CST)
Auction Closed
View Closed Auction Set

Item Description

A rarely seen specimen featuring vitreous / "greasy" dark chocolate brown amorphous areas of Polycrase-(Y) from an obscure pegmatite locality in Colorado. Originally from the collection of Allen Heyl. A cool rarity for any species collector or a Colorado collector.

Did You Know We Offer Custom Bases?

Learn More

Miss this auction? Buy mineral specimens on iRocks.com