#186 • Cubic Pyrite Crystal in Matrix

Part of Minerals & Geodes | November 11, 2026 at 8:00 PM (timed auction by Alderfer Auction)

Starting at $5.00

Status: Available

Bidding closes Nov 11, 2026 8:21 PM EST

Cubic pyrite crystal mineral specimen, 1601.6g, 6.25", embedded in a rock matrix, with interpenetrating cubic crystal formations, brass-gold metallic luster, and surface striations.