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polished surface showcases its rich
making it an attractive decorative item
it exudes an aura of tranquility and harmony
adding an enchanting touch to any display
the Ruby Corundum is a prized addition to any collection or jewelry piece
Mohs Hardness Scale Rock Kit polished surface showcases its richSize: 21 x 14 cms Weight: 38 grams (Avg) Location: Made in USA Product Description: This educational collection showcases the 10 minerals that comprise Mohs Hardness Scale, a fundamental tool for geologists and mineralogists. Each mineral specimen is carefully selected and labeled to illustrate its corresponding hardness rating, from 1 (softest) to 10 (hardest). The collection includes: 1. Talc (Mohs hardness: 1) 2. Gypsum (Mohs hardness: 2) 3.
US$ 171.41
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US$ 449.50
US$ 171.41
