Details
Prehnite Centre Drilled Nugget 8x10mm Gemstone Beads (~45pce Strand) - 40cm/16'" Strand.
Prehnite (also known as Grapestone or Grape Stone) was the first mineral to be named after someone. H. Von Prehn discovering Prehnite in 1774 at the Cape of Good Hope in Africa. Prehnite is often a waxy bright green crystal, resistant to pressures and scratching. It is composed of aluminum, calcium and silicon.
Prehnite (also known as Grapestone or Grape Stone) was the first mineral to be named after someone. H. Von Prehn discovering Prehnite in 1774 at the Cape of Good Hope in Africa. Prehnite is often a waxy bright green crystal, resistant to pressures and scratching. It is composed of aluminum, calcium and silicon.
Additional Information
Stone Type | Natural |
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Common gemstone enhancement and likelihood | None |
Origin | Australia |
Mohs scale ratings (hardness) | 6 - 6.5 |
Bead Care - Avoid the following... | Sudden Temperature Changes |