Native Elements, Sulfides, Halides, Sulfates - Faculty web pages
Native Elements, Sulfides, Halides, Sulfates - Faculty web pages
Native Elements, Sulfides, Halides, Sulfates - Faculty web pages
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>Sulfides</strong>: Majority of ore minerals<br />
Most opaque with distinctive colors and streaks<br />
Galena - PbS<br />
Isometric<br />
Cubic xstals and cleavage<br />
Metallic luster<br />
High S.G. = 7.4-7.6<br />
Occurrence:<br />
1) hydrothermal veins;<br />
2) Mississippi Valley deposits<br />
Sphalerite - ZnS<br />
Isometric, yellow to brown<br />
Massive form also tetrahedrons,<br />
cubes<br />
Yellow streak; Zn ore<br />
Occurrence:<br />
1) veins in igneous rocks<br />
2) Mississippi Valley deposits
Change language