Tetrahedrite with Bournonite
Tetrahedrite with Bournonite from Herodsfoot Mine, Liskeard, Cornwall, England
Collection John Betts - Fine Minerals
Description Large plate covered with Bournonite crystals up to 5 mm on irregular crystals of Tetrahedrite with scattered milky Quartz crystals. The Bournonite crystals show distinct striations on the crystal faces due to complex twinning. The Herodsfoot Mine is the type locality for Tetrahedrite.
Locality Herodsfoot Mine, Liskeard, Cornwall, England
Dimensions 10 x 7 x 4 cm.
Specimen Grade C
Photograph © www.johnbetts-fineminerals.com - All Rights Reserved.

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