James St. John:
Variscite in mudshale (Australia) 1
James St. John:
Variscite in mudshale (Australia) 2
James St. John:
Variscite in mudshale (Australia) 3
James St. John:
Variscite (Western Australia)
James St. John:
Variscite (near Mt. Ida, Arkansas, USA)
James St. John:
Variscite-crandallite nodule (Clay Canyon, Utah County, Utah, USA) 1
James St. John:
Variscite-crandallite nodule (Clay Canyon, Utah County, Utah, USA) 2
James St. John:
Variscite-crandallite nodule (Clay Canyon, Utah County, Utah, USA) 3