Antique Franciscan Chrome Aventurine (Green Gold Stone) 6 LBS 8.6 Oz Italy

Description

Antique Franciscan Chrome Aventurine (Green Gold Stone) 6 LBS 8.6 Oz Italy
The manufacturing process for goldstone was invented in seventeenth-century Venice by the Miotti family, which was granted an exclusive license by the Doge. Urban legend says goldstone was an accidental discovery by unspecified Italian monks or the product of alchemy.
Common name for the material is aventurine glass, based on the original Italian name avventurina (from avventura, "adventure" or "chance"). It is also sometimes called "stellaria," "sang-e sitara" or "sun sitara" (sang means 'stone' and sitara means 'star' in Persian) for its starry internal reflections, or "monk's gold" or "monkstone" from folkloric associations with an unnamed monastic order.
The most common forms of goldstone is reddish-brown, containing tiny crystals of metallic copper that require special conditions to form properly. The initial batch is melted together from silica, copper oxide, and other metal oxides to chemically reduce the copper ions to elemental copper.
Weight:  6.5 Pounds
2.96 Kilo grams
Measurements 7" x 5"  x 2"
Great for Cutters & Collectors
Pictures Taken in Bright California Sunshine
Will also sparkle indoors in bright lighting
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_gsrx_vers_1106 (GS 8.0.2 (1106))