about 7 or 7.5 with Mohs scale, like Quartz.
Obsidian typically exhibits a streak that is white to very light brown in color.
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
Dolomite has a hardness of 3.5-4 on the Mohs scale of hardness.
Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.
Data about the hardness of polonium don't exist.
2.6g
potassiun feldspar, quartz, plagioclase feldspar,biotite, and amphibole.
They have an obsidian nearby for Catal Huyuk and for Jericho they already have imported obsidians.
Obsidian typically exhibits a streak that is white to very light brown in color.
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
what is the difference between Shore-A Hardness & Barcol Hardness
The hardness of conundrum is 9 on the Moh's hardness scale
Mohs hardness: 6 Brinell hardness: 196 MPa.
The Mohs hardness of sodium chloride is 2,5.
no one likes your Hardness! hardness is not a good character.
It has no hardness.