Moh's Scale T-Shirt, Adult
$20.00
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A good rock is hard to find and a hard rock is good to find. Show off your mineral knowledge with a shirt depicting the Moh's Hardness Scale. This scale is a helpful way to determine a mineral's identity based on the mineral's resistance to scratching, ie its hardness. 1 is the softest and 10 is the hardest. Graphics include: (1) Talc (2) Gypsum (3) Calcite (4) Fluorite (5) Apatite (6) Microcline (7) Quartz (8) Topaz (9) Corundum (10) Diamond For the mineral collector, crystal addict, science buff. Color: BlackStandard adult sizes100% HW preshrunk cottonMachine wash cold, tumble dry low
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