Calcite 'Axe-head'- twin

Reference: 1430

Single transparent calcite crystal showing the rare 'Axe-head' twinning.  This location is known for producing a limited number of these twins from a single cavity in 1981 but none since; this twin is one of the larger crystals from the find.  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: 57x40x27mm

Size: Miniature (M)