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arockmaniac: Chondrodite/Humite, Calcite, Aragonite, Hydrozincite, Diopside from the Long Lake Zinc

arockmaniac: Pink Chalcedony from near Copper Canyon, Mexico, under white light and short wave ultra

arockmaniac: Chondrodite/Humite, Calcite, Aragonite, Hydrozincite, Diopside from the Long Lake Zinc

arockmaniac: Chondrodite/Humite, Calcite, Aragonite, Hydrozincite, Diopside from the Long Lake Zinc

arockmaniac:Fluorescent Mineral Display at the Dallas Gem and Mineral Society Annual Show on Novembe

arockmaniac:Tiffany Stone from Spor Mountain, Juab County, Utah under white light and short wave ult

arockmaniac:Druzy/agatey rock from unknown location shown under mid-wave ultraviolet, short wave ult

arockmaniac: Benitoite from the Benitoite Gem Mine in San Benito County, California, the type locali

arockmaniac:Black/gray/brown scheelite crystal from the Tae Hwa Mine, North Chungcheong Province, So

arockmaniac: Mixed fluorescent minerals including afghanite, calcite, albite, scapolite, phlogopite,

arockmaniac:Fluorite under white light and black light (long wave ultraviolet). Fluorite typic

arockmaniac: Benitoite crystal from the Dallas Gem Mine, San Benito County, California. While

arockmaniac: Chondrodite/Humite, Calcite, Aragonite, Hydrozincite, Diopside from the Long Lake Zinc

arockmaniac:Sunstone, a plagioclase feldspar which when viewed at certain angles exhibits a colorful

arockmaniac: Benitoite from the Dallas Gem Mine in San Benito County, California, the type locality.

arockmaniac:Youngite - Guernsey, WY, USA. (Brecciated jasper with quartz (druzy crystals &

arockmaniac:Fluorescent Mineral Display at the Dallas Gem and Mineral Society Annual Show on Novembe

arockmaniac: Esperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown

arockmaniac:Petoskey stone (Hexagonaria percarinata), the state stone of Michigan, is actually fossi

arockmaniac: Benitoite from the Dallas Gem Mine in San Benito County, California, the type locality.