Rick Dillhoff

Amethyst

Amethyst

Quartz (sceptered) (Reichenstein-Grieserntal–law twin, Reichenstein form)

Quartz (Reichenstein-Grieserntal–law twin, Grieserntal form)

Barite on Quartz

Quartz (sceptered) Japan-law twin

Amethyst

Amethyst

Amethyst

Quartz Japan-law X-twin

Chalcopyrite

Chalcopyrite on Quartz

Quartz

Hematite rose, Calcite

Amethyst

Hematite on Quartz

Amethyst

Luinaite on Quartz Japan-law twin

Luinaite on Quartz Japan-law twin

Luinaite on Quartz Japan-law twin

Luinaite on Quartz

Quartz Japan-law twin

Quartz Japan-law twin

Quartz

Quartz Japan-law twin

Ankerite, Quartz, Pyrite

Calcite, Ankerite

Calcite, Pyrite, Quartz (Japan-law twin)

Quartz, Pyrite

Hematite on Quartz

Pyromorphite

Pyromorphite

Quartz, Japan-law twin and Pyrite

Quartz, Japan-law twin

Quartz, Japan-law twin

Quartz, Japan-law twin

Luinaite on Quartz, Japan-law twin

Quartz, luinaite

Quartz, Japan-law twin

Fluorite, Quartz

Smoky/Amethyst Quartz scepter

Smoky Quartz

Amethyst

Calcite, Pyrite, Quartz