Brazilian Agate View Watchlist >
- Winning Bid: $31.99
- 21 Bid(s) View Bid History
- High Bidder: gjocabed
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Lot # Y405
System ID # 13982584
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Brazilian Agate
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Polished half nodule of an Agate from an unknown origin with and a complete back skin.
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Agates are formed in rounded nodules, which are sliced open to bring out the internal pattern hidden in the stone. Their formation is commonly from depositions of layers of silica filling voids in volcanic vesicles or cavities. The layers form in stages with some new layers providing and alternating color. Most agates have a hollow void that often has crystalline quartz growths on its innermost layer. Agate is named after the Achates river in Sicily, Italy, whose upper waters were an ancient source of this gemstone.
Condition:
Good
Size:
2464 grams
3" X 6" X 5"