Ruby Jack Sphalerite Metallic Ore Crystals on White Dolomite Druse on Gray dolomitic rock matrix. Fine Vintage Mineral Specimen from Classic US Locale
Dimensions (millimeters): 70 x 50 x 30
Dimensions (inches): 2.75 x 2 x 1.2
Origins: from the very famous classic mineral location Elmwood Mine, Carthage, Tennessee, USA
Mineral Nicknames: the old time miners had names for common ore minerals. If sphalerite is black it is called Black Jack, if it is red when held up to light it is called Ruby Jack. Sphalerite is a zinc ore mineral and was the ore miners were seeking at Elmwood.
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