|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Peru > Sphalerite and Pyrite on Quartz
|Sphalerite and Pyrite on Quartz
|Huanzala Mine, Huallanca District, Huanuco Department, Peru
|Lustrous black complex sphalerite crystals to 7 mm on elongated transparent colorless quartz crystals to 12 mm with cubic yellow-metallic pyrite crystals to 4 mm. The sphalerite crystals are repeatedly twinned following the Spinel Law of twinning.
|For reference only
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