EISCO Corundum Specimen, 3cm in Size
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Make sure this fits by entering your model number.Corundum sample approximately 1" (3cm) in sizeGreat for studying mineral hardness and crystal habit - only diamond is harder!Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence StatementsIdeal for exercises designed to distinguish between crystal habit and cleavageSpecimen comes in clear labeled and barcoded bag for ideal storage
상품설명
This aluminum oxide has a Mohs scale hardness of 9, making it one of the hardest minerals on the planet. Corundum often grows in long, hexagonal crystals, and can sometimes be found as gemstones, particularly ruby and sapphire. This mineral specimen is fantastic for use in mineral hardness exercises, as well as lessons in differentiating between cleavage and crystal habit. This sample is also available in packs of 12.
Make sure this fits by entering your model number.Corundum sample approximately 1" (3cm) in sizeGreat for studying mineral hardness and crystal habit - only diamond is harder!Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence StatementsIdeal for exercises designed to distinguish between crystal habit and cleavageSpecimen comes in clear labeled and barcoded bag for ideal storage
상품설명
This aluminum oxide has a Mohs scale hardness of 9, making it one of the hardest minerals on the planet. Corundum often grows in long, hexagonal crystals, and can sometimes be found as gemstones, particularly ruby and sapphire. This mineral specimen is fantastic for use in mineral hardness exercises, as well as lessons in differentiating between cleavage and crystal habit. This sample is also available in packs of 12.
2020-03-28 12:10:43