Chalcedony coating Quartz

Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region, Tanzania
Small Cabinet, 5.2 x 4.8 x 3.7 cm
Start Time: 11/21/2024 7:30:00 pm (CST)
End Time: 11/30/2024 6:45:00 pm (CST)
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Starting Bid: $10
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$10 for bids of $51 to $500
$25 for bids of $501 to $1000
$50 for bids of $1001 to $5000
$100 for bids of $5001 to $10,000
$250 for bids of $10,001 to $25,000
$500 for bids of over $25,000

Item Description

An unusual specimen from the area most famous for its world-class Tanzanite crystals featuring soft blue colored, "waxy" Chalcedony which has overgrown pyramidal crystals of Quartz on matrix. You can see on the back of the piece that the original colorless translucent Quartz is visible in a few spots, so it's not a replacement or a pseudomorph per se, but just one form of Quartz overgrowing another. Certainly not what one would expect from this locality, and it's quite attractive in person. The piece actually sits nicely on its own without the aid of a base or clay.

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