Calcite - Axe-head twin

Reference: 2982

Single calcite crystal showing the rare 'Axe-head' twinning.  Moor Farm quarry is known for producing a limited number of these twins from a single cavity in 1981 but none since and the quarry is worked out and overgrown. Ex. Alan Wardman collection. For more details about the find see Roy Starkey's excellent book Minerals of the English Midlands (published 2018)- Page 75.

Formula: CaCO₃

Status: Sold

Dimensions: 54x35x22mm

Size: Miniature (M)