Updated 5d ago
21
Quartz Japan Law Twin$1,500.00
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The Washington Camp-Duquesne District defines a roughly 5 x 5 km mining area on the southern Arizona border with Mexico, about 25 km east of Nogales, which extends about 1 km into Mexico. The mines exploit a zinc-lead-copper-silver-gold-tungsten deposit from which about 70 mineral species have been recorded, amongst which are specimens of Japan Law twinned Quartz. This ex-matrix miniature is a beautiful example, making it a perfect specimen by which to display this habit of twinning, should such a display be required. Measuring 4.8 x 5.1 x 0.7 cm. This perfectly flattened Quartz twin displays a Faden-type plane of symmetry, two highly flattened terminations with a bright glassy lustre and frosted prism faces. The re-entrant angle which separates the twins appears to be at 90 degrees, but if measured accurately should be at an angle of 84'33'. A superb Japan Law twin from Southern Arizona, once belonging to the Dr Josef Clemente Collection.
Product details
Species
SizeSmall Cabinet
Dimensions5.1 x 4.8 x 0.7 cm
Locality
SKUCC21080
Listed on10/24/2024
Comments
Known provenance
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