Brian England

Gold in Quartz

Azurite

Gahnite, Quartz

Cerussite

Chlorargyrite (bromine-rich)

Opal after ikaite (Opal “pineapple”)

Calcite, Galena

Pyrite

Scholzite

Mimetite

Silver

Copper

Mimetite

Dyscrasite

Galena, Sphalerite

Pyrite

Galena

Amethyst on Zinc-rich Calcite

Thaumasite

Barite, Quartz

Barite

Anatase

Stibnite

Gold (Spinel-law twins) on Quartz

Sphalerite, Pyrite, Calcite

Dolomite

Hematite, Quartz

Amethyst

Wulfenite