|Dimensions (mm)||10 x 8 x 5mm|
|Weight (carats)||not provided|
BLUE CHALCEDONY STONE.
This is a parcel of 4 natural untreated clean blue stones ideal for earrings.
Weight of parcel 12.25 cts app
Szie of largest 10 x 8 x 5 mm app
The stone is very well polished on both sides so we have inclded pictures of both sides.
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.
|Starts||15th Jan 2017 5:02pm PST|
|Ends||19th Jan 2017 5:00pm PST|
|Registered Shipping||$15.00||10 Days|
|Standard Shipping||$4.00||21 Days|
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