Identify Help Stone Hardness 7 Density 2.6

Gem Related Discussion
1

Dear
Below stone density is about 2.6 and hardness is 7 . The color is purple and dark grey.

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2

Your SG and Hardness is right on the button for Chalsedony and my impression from your photos is that some of your specimens are petrified wood.

1 Like
3

Very thanks .

4

Could be Amethyst in Quartz.

5

I would have to agree with petrified wood

6

Amethyst is quartz.