Stone Guide
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Patagonia Brecciated Jasper
The word "jasper" is derived from the Greek word iaspi meaning "spotted...
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Petoskey Stone
Petoskey Stone: Michigan's State Stone A 350-Million-Year-Old Piece of Michigan's History Few...
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Petrified Peanut Wood
Petrified Peanut Wood is a fascinating and unique form of fossilized wood...
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Phosphosiderite
The composition of Phosphosiderite is its namesake after phosphorous and the Greek...
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Picasso Marble
Picasso Marble, also known as Picasso Jasper or Picasso Stone, is a...
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Pietersite
Pietersite is a striking and powerful gemstone known for its swirling, storm-like...
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Plasma Agate
Plasma agate is a fairly rare material found in the Clear Creek...
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Polychrome Jasper
Polychrome Jasper is a vibrant, multi-colored variety of jasper known for its...
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Poppy Jasper
Poppy Jasper is a vibrant and eye-catching variety of jasper known for...
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Porcelain Jasper
Porcelain Jasper is a smooth, milky-white to pale beige variety of jasper...
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Priday Moss Agate
Priday Moss Agate is a truly remarkable variety of agate, highly prized...
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Psilomelane
Psilomelane is a striking and unique mineral belonging to the manganese oxide...
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Puddingstone
Puddingstone is a type of conglomerate rock characterized by its colorful mixture...
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Pyrite Agate
Pyrite agate is chalcedony (agate) with pyrite inclusions. An inclusion is any...
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Rainbow Calsilica
Rainbow calsilica is a man-made material created for the gemstone market from...
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Rainbow Petrified Wood
Rainbow Petrified Wood is a stunning form of fossilized wood that has...
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Rhodochrosite
Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its...