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Quartz | Geode (SECONDS) -
Aventurine | Rough (SECONDS) -
Blue Onyx | Rough (SECONDS) -
Serpentine | Rough (SECONDS) -
Mookaite | Rough (SECONDS) -
Fuchsite | Rough (SECONDS) -
Peruvian Aragonite | Rough (SECONDS) -
Howlite | Rough (SECONDS) -
Smokey Quartz | Rough (SECONDS) -
Rose Quartz | Rough (SECONDS) -
Clear Quartz | Rough (SECONDS) -
Lepidolite | Rough (SECONDS)