Item Information

Dimensions (mm) 3 x 3 x 2mm
Weight (carats) 1.65 carats



This is a parcel of chalcedony from Brazil that has been treated to bring out the stunning colour of parabia-this materail was mined in the state of parabia where it gets its name. Well cut with a high luster. The weight and size is approximate.

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, whilst moganite is monoclinic.

Chalcedony has a waxy luster, and may be semitransparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black.

The mineral gets its name from the town of Chalcedon.

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$24 moethomas4
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Audit Information

This auction has been audited by a Gemstone Sheriff and they have found the following: View Report
Description Accurate
Pictures Accurate

The Verified Seller has provided accurate and complete information for this gemstone including weight, dimensions and treatments where applicable.

Last updated 4th Nov 2015
Requested 21st Jun 2015

Pricing & Details

Bid Increment $1
Starting Bid $24
Auction ID 506331
Watchers 9 watching
Viewed 1,681 times
Starts 24th Mar 2020 5:55pm PDT
Ends 27th Mar 2020 10:40am PDT

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