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Lot 8240
Amethyst Quartz with Ferroginous Overgrowth
4 December 2005, 11:00 PST
Los AngelesUS$300 - US$500
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Find your local specialistAmethyst Quartz with Ferroginous Overgrowth
Elbow Lake, near Port Arthur
Thunder Bay, Ontario, Canada
A single, large amethyst point of deep violet hue, showing an interesting mineralogical phenomenon of a secondary quartz overgrowth of deep brownish-red indicating a rich content of iron impurities. Measuring 4 ½ x 5 ½ x 3 ½ in.
Thunder Bay, Ontario, Canada
A single, large amethyst point of deep violet hue, showing an interesting mineralogical phenomenon of a secondary quartz overgrowth of deep brownish-red indicating a rich content of iron impurities. Measuring 4 ½ x 5 ½ x 3 ½ in.
Footnotes
Accompanied by a paper label from the collection of Mrs. Daniel E. Walters, Ramona, California, no. 834.

