Name: Oval Black Onyx Cabochon
Brand: Otto Frei
SKU: 947-510
Price: 1.9 USD
Availability: InStock

Select Size	Part #	Price
6x4mm Out of Stock	947-508	$1.80
8x6mm 33 in stock	947-510	$1.90
9x7mm 15 in stock	947-511	$2.00
10x8mm 2 in stock	947-511A	$2.25
12x10mm 49 in stock	947-512	$2.75
14x10mm 8 in stock	947-512A	$3.00
14x12mm 4 in stock	947-513	$3.25
16x12mm 1 in stock	947-514	$4.00
18x13mm 7 in stock	947-515	$5.40
20X15mm 4 in stock	947-517	$4.50
25X18mm 10 in stock	947-519	$8.00
7x5mm 24 in stock	947-509	$0.60

Black Onyx, also know as black agate, is dyed black chalcedony. Chalcedony is made of tiny crystals of quartz that are not visible to the naked eye. Natural black chalcedony is so rare that all black chalcedony is grey chalcedony that has been treated by chemicals to turn shiny black. Black Onyx is the top-selling chalcedony in the market and was commonly used in Art Deco jewelry as well. Clean with warm, soapy water. Use of ultrasonic and steam cleaner is usually safe.

Treatment: Dyed
Uniform opaque black
Dyed black chalcedony

California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

Oval Black Onyx Cabochon

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