Title

Moh's Hardness Test

Caption

Moh's Hardness Test, Scratching an Unknown (Iron Pyrite) on Quartz with a hardness of 7

Credit line

Photo12/imageBROKER/Phil Degginger

Reference

BRK22I61_484

Model release

No

Property release

NA

License type

Rights managed

Available size

33.7Mb (879.8Kb) / 13.2in x 9.9in / 3951 x 2984 (300dpi)

Keywords

7 Fools gold Healing stone Healing stones No People deserted display empty esotericism exhibit exhibition exhibition piece exhibitions exhibits expo gem gemstone gemstones iron iron pyrite itch itching mineral minerals no one nobody precious stone pyrite quartz rock rocks score scratch scratching scribe semi-precious stone seven show silica specimen specimens uninhabited