Moh's Hardness Scale - Education Set phenakite Overall Burr Length: 45mm

Overall Burr Length: 45mm

the ancestor of the squid

all of which is essential for determining the variety and value of a stone

This type of awakening helps you feel more in-tune with yourself and increases your inner intuition

(They were purchased while buying out another rock business- and no info was with them)

Moh's Hardness Scale - Education Set phenakite Overall Burr Length: 45mmDescription: These Moh's hardness scales contain the 9 primary minerals of the Mohs hardness scale (excluding diamond) mounted on an identification plaque. A Mohs Hardness Scale sample kit is a collection of reference minerals with known hardness values, typically ranging from 1 (the softest) to 10 (the hardest), used to test and compare the hardness of unknown materials. Users can scratch the materials with one another to determine the relative