Sphalerite
Zinc Sulfide, ZnS

Sphalerite is a widespread sulfide mineral common to base metal deposits of zinc in which it is formed under a wide range of conditions. It is the most abundant ore mineral of zinc.

Quartz
Silicon Dioxide, SiO2

Quartz is by far the most abundant of the polymorphic forms of silica and the most widespread and abundant mineral of the earth's crust. It occurs in igneous, metamorphic and sedimentary rocks as well as hydrothermal veins, metasomatic and hot spring deposits.

Rocks from WSU Thomas Edison Mineral Collection

Index of Specimen Images

Table of Contents

bkeller@rockhounds.com 7/3/95