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All organic materials have been replaced with minerals
hence the name pyrophyllite from the Greek pyros (fire)
evolving in its own right
Found 300 feet deep in coal mines in a narrow seam of shale lying on top of the coal vein
18th century Italian fragment decorated with natural forming copper
E835 Mirror All organic materials have beenAgate slab on stand with baroque pearls. Agate is characterized by its fineness of grain and brightness of color. These slabs are classically associated with volcanic rock or ancient lava. Historically, agate is one of the most common materials used in the art of hand stone carving and has been recovered at a number of ancient sites, indicating its widespread use in the ancient world while it continues to be sought after today. Size: 18" wide x 15"
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