Modified Galena Dolomite & Chalcopyrite - Location: Sweetwater Mine Ozark Lead Co. mine Ellington Viburnum Trend District Reynolds Co. Missouri. Cabinet (see photo for more details). Here we have attractive specimen of the lead mineral galena along with some chalcopyrite crystals and some dolomite crystals. The galena crystals are well-formed and sharp and modified with the crystals forming as simple cubic crystals along with the octahedral modifications. There are good crystals on both sides of the matrix with more octahedral modifications on the back side (see photos). The crystals have silvery-gray color and a metallic luster. There are also some small but sharply formed brassy yellow colored chalcopyrite crystals with the crystals having a metallic luster. There are also some sharply formed off-white to gray colored dolomite crystals.

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Actual measured specimen dimensions are included on the photographs. There is a basic specimen dimension standard listed in our descriptions and titles:
Thumbnail - thumbnail specimens must fit completely inside an "imaginary" 1 inch cube. Look for -THN in our titles.
Miniature - miniature specimens must fit completely inside an "imaginary" 2 inch cube. Look for -MIN in our titles.
Small Cabinet - small cabinet specimens must fit completely inside an "imaginary" 3 inch cube. Look for -SCB in our titles.
Cabinet - cabinet specimens are those larger than 3 inches. (too large to fit inside a 3 inch cube) Look for -CAB in our titles.

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