Francis Huebner

Malachite

Malachite

Azurite, Malachite

Malachite

Fluorite, Barite

Fluorite, Sphalerite

Fluorite, Quartz

Fluorite

Fluorite, Quartz

Prehnite and Epidote

Fluorite

Fluorite, Quartz

Pyromorphite

Malachite

Azurite

Hemimorphite

Hübnerite, Quartz

Silver in Calcite

Gold

Pyrolusite

Sphalerite, Quartz, Pyrite

Stibnite, Calcite

Stibnite, Calcite

Pyrite

Stibnite

Stibnite

Turquoise

Pectolite

Quartz (petrified wood)

Quartz (petrified wood)

Amethyst

Aquamarine, Schorl, Microcline

Amethyst

Amethyst, Smoky Quartz

Aquamarine

Emerald

Smoky Quartz, Spessartine

Adamite

Siderite, Dolomite

Calcite (Cobalt-rich), Malachite

Galena, Quartz, Dolomite

Grossular (var. essonite)

Plumbogummite

Tetrahedrite, Quartz, Pyrite

Quartz and Calcite

Quartz

Calcite

Calcite