Microcrystalline aggregates of the rare Mereheadite, a lead halide with borate and carbonate ions. They are lustrous, a uniform deep yellow in color, and are associated with Mendipite, another rare white lead halide. On matrix, with Calcite and centered aggregates of acicular crystals (apparently Coronadite)
Excellent UK classic from the type locality for both species.
Torr Works Quarry (Merehead Quarry), Cranmore, District Mendip, Somerset, South West England England / United Kingdom
Specimen size: 5.8 × 4.6 × 2.4 cm = 2.28” × 1.81” × 0.94”
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