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Concrete

Mohr's Scale

Mohr’s Scale of Hardness of Minerals— H-3422

Mohr’s Scale of Hardness of Minerals— H-3422

Set includes 9 specimens, from talc to Carborundum, to determine mineral hardness by scratch test. Numbered specimens are keyed to descriptions inside box cover.

Mohr’s Scale of Hardness of Minerals— H-3422

$26.00 Add to Order