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Developed in 1822 by German mineralogist Fredrick Mohs
Kit 1: The Mohs Hardness Scale
Cleavages are categorized by how smoothly the mineral breaks and each variety of cleavage forms a unique visible effect on the mineral
Lapis lazuli is a vibrant blue metamorphic rock prized since antiquity for jewelry
Green flourite from Xianghuapu Mine
12 pcs mix flat #24 US Showroom Developed in 1822 by GermanBox dimension: 21x27cm FREE shipping worldwide, shipping time 15 25 days. Order confirmation email will be sent to your after placing the order, tracking number will be sent to you once package is shipped. For more details, read "Shipping" page.
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