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Bournonite$4,500.00
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Herodsfoot mine near Liskeard in Cornwall will forever be remembered for its amazing Bournonite specimens, many of which present a 'cogwheel' form. Virtually all of these specimens were extracted whilst the mine was operational during a narrow window in time during the 1860s. This miniature specimen might only host a small (2.8 x 2.1 x 1.5 cm) aggregate of Bournonite crystals, but these are of the highest quality. Firstly, they display the classic 'cogwheel' form, but secondly they have an exceptional iridescent patina/lustre with striking blue and purple flashes. This 'island' of crystals sits upon a thin Siderite-Quartz matrix with minor Pyrite. This specimen was figured (fig. 68; pg. 457) in the Herodsfoot article written by Roy Starkey and published in The Mineralogical Record in 2012 (Vol. 43, No. 4). A remarkable Herodsfoot mine miniature. Ex Malcolm Southwood collection, no. MS 2010.024, and ex Ian Acworth collection, no. CW35.
Product details
Species
SizeSmall Cabinet
Dimensions7.0 x 5.4 x 3.3 cm
Locality
SKUCC48304
Listed on12/14/2024
Comments
Known provenance
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