Polished Prehnite Hearts (2 to 3 Inches) (1 Pound) tumbled gemstones for price comparison although it was not known

although it was not known as a distinct gemstone until the 1700s

Pieces measure approximately 7 to 8 inches (AVERAGE SIZE)

Material Origin: (South Africa)

The oldest deposits have been dated to approximately 2 billion years ago

though this is relatively rare

Polished Prehnite Hearts (2 to 3 Inches) (1 Pound) tumbled gemstones for price comparison although it was not knownUniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Listing is for (1 Pound) Avg Size Range: (2 to 3 Inches) Sizes Vary Material Origin: (South Africa) Prehnite is a semi brittle gemstone that most often forms as globules, stalactites, or in botryoidal growths. While not a zeolite itself, it is often found near zeolite deposits like heulandite or stilbite, and it was first found in what is now South