Re: Why are beads being marketed as "jade"?
Re: Why are beads being marketed as "jade"? -- LUANN UDELL Post Reply Edit Forum Where am I?
Posted by: frank Post Reply
10/05/2022, 09:22:42

Quartzite and magnetite can be dyed any color. The Gemological Institute of America has warned about dyed quartzite beads for decades.They would be almost as hard as chalcedony and indistinguishable in hardness from chalcedony with any hardness test typically used. I have cut lots of quartzite and it is not as tough as chalcedony as it is not fibrous and it's grain structure is such that it offers ample pore space for dyes.Magnesite is very soft and typically does not accept dye completely through the stone as readily as quartzite.

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