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Pequea Silver Mine (Pequea Mine; Pequa Mine), Conestoga, Pequa Township, Lancaster Co., Pennsylvania, USA

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Galena : PbS, Sphalerite : (Zn,Fe2+)S, Quartz : SiO2

Pequea Silver Mine (Pequea Mine; Pequa Mine), Conestoga, Pequa Township, Lancaster Co., Pennsylvania, USA

Gray metallic Galena layers in a quartz matrix. The tiny deep brown crystals located in the center of the quartz are small ill formed sphalerite crystals. Under hand lens, the sphalerite crystals are slightly translucent. The entire specimen is 3 inches wide horizontally. The galena carried silver at the ratio of 10 to 16 ounces per ton of ...
 © Mark J. SigouinPhoto ID: 158525    View Count: 162
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