Arfvedsonite with Microcline

Washington Pass, Golden Horn Batholith, Okanogan County, Washington
Miniature, 4.2 x 2.7 x 1.3 cm
Start Time: 04/13/2017 6:45:00 pm (CDT)
End Time: 04/20/2017 6:53:03 pm (CDT)
Auction Closed

Item Description

A beautiful, sharp, lustrous, prismatic, slightly striated black monoclinic crystal of the amphibole Arfvedsonite associated with blocky beige colored Microcline from the famous locality at Washington Pass (most famously known for being the type locality for Zektzerite). Classic material from this well-known miarolitic granitic specimen producing area.

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