Molybdenite, Boss Mountain Mine, Williams Lake, British Columbia, Canada (Ex Prosper J. Williams)

Two molybdenite crystals in massive quartz matrix. Both show contact points but have bright luster. Rare and hard to obtain. From old stock acquired from Prosper J. Williams but does not have one of his labels. From Boss Mountain Mine, near Williams Lake, Caribou District, British Columbia, Canada. Dimensions: 2.5 x 4 cm. The largest moly crystal is 1.5 cm