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About Onyx
Onyx belongs to the quartz group and is a fibrous quartz aggregate. It is usually dyed chalcedony.
Facts:
Mohs hardness: 6.5
Mineral: Quartz
Onyx belongs to the quartz group and is a fibrous quartz aggregate. It is usually dyed chalcedony.
Facts:
Mohs hardness: 6.5
Mineral: Quartz
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This website uses cookies, which are necessary for the technical operation of the website and are always set. Other cookies, which increase the usability of this website, serve for direct advertising or simplify interaction with other websites and social networks, will only be used with your consent.
