Microcline Feldspar A pyrite crystal this piece does have a

this piece does have a marvelous cluster of striated pyrite crystals on quartz

The bright

These pieces are polished into the shape of a squirrel

The name "rainbow" obsidian comes from the phenomenon known as structural coloration

These pieces are polished into grapes

Microcline Feldspar A pyrite crystal this piece does have aMicrocline is a common triclinic potassium rich feldspar, often found in granite and pegmatites, and stable at lower temperatures than orthoclase. It is widely used for gemstones, ceramics, and glass. This particular specimen is from Quebec, Canada. Measuring 2. 5 inches in length, 2 inches in height, and 2 inches in width. Weighing . 36 pounds. Customer will receive the exact piece pictured.