Onyx
Mohs scale
6.5 - 7.0
Specific Gravity
2.55 - 2.70
Refractive Index
1.530 - 1.543
Crystal system
Trigonal
Chemical Composition
SiO2
Chakra (Click on the chakra for more information)
Birthstones (Click on the month for more information)
Onyx
Price
€4,50
Size
6.0 mm
Carat
0.71 (+/-) ct
Clarity
Opaque
Treatment
Dyed
Shape
Round
Color
Black
Origin
Brazil
Article-Nr
EFOnyx304
Stock
7
Onyx
Price
€5,50
Size
7.0 mm
Carat
1.12 (+/-) ct
Clarity
Opaque
Treatment
Dyed
Shape
Round
Color
Black
Origin
Brazil
Article-Nr
EFOnyx305
Stock
1
Onyx
Price
€4,00
Size
8.0 - 6.0 mm
Carat
1.03 (+/-) ct
Clarity
Translucent
Treatment
None
Shape
Oval
Color
Green
Origin
Africa
Article-Nr
EFOnyx301
Stock
4
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