This is a group of four very rich ore samples from the McGlaughlin Gold mine
in Napa County California. The specimens contains various minerals including:
gold,
stibnite,
miargyrite, and selenides
clausthalite,
penrosite
and
naumanite.
Origin: McGlaughlin Mine, Lake Co., California, Southwest USA
Sample size: miniature
These specimens have crystalline gold with a dendritic habit with or without
quartz.
Origin: Eagle's nest, Placer Co., California, USA
Sample size: 2.8 x 2 x 1.7 cm (top/2nd row), 3.2 x 2 x 1.7 cm (3rd/4th row),
2.3 x 1.6 x 1.5 cm (5th/6th row), 1.5 x 1.1 x 0.6 cm (7th row), 1.8 x 1 x 0.2
cm (8th row), 1.8 x 0.6 x 0.5 cm (9th row), 1.8 x 1 x 0.5 cm (10th row), 1.8 x
1 x 0.2 cm (bottom
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