Calcite, quartz, and pyrite are a common mineral combination found in various geological settings, each contributing unique characteristics to mineral specimens.
Calcite, quartz, and pyrite often co-occur in hydrothermal veins and replacement deposits formed by mineral-rich fluids moving through fractures in rocks. These minerals are indicative of a variety of geological processes, including the deposition of metals like zinc, lead, and iron in association with carbonate-rich environments. Specimens featuring these minerals can be found in diverse locations worldwide, including mining regions in North America, Europe, Asia, and beyond.
Calcite can be colorless, white, or various shades of yellow, orange, red, green, blue, brown, or even black, often due to impurities. Quartz is typically colorless or white but can also occur in a wide range of colors due to trace elements or irradiation. Pyrite is brass-yellow to golden in color, often with a metallic sheen. It can tarnish to a brown or black color upon exposure to air and moisture.
MEASUREMENT DETAILS:
MINERAL #1 - 2.75"L x 1.50"W x 1.50"H
MINERAL #2 - 2"L x 1.50"W x 2"H
MINERAL #3 - 1.75"L x 1.75"W x 1"H