Name: Boron Crystal
Purity: 99.99%
Hardness: 9
Weight: 0.2g/1g for selection, we sell by weight, and the picture shows a larger size for easy viewing.
Element symbol: B
Atomic number: 5
Melting point: 2076 ℃
Boiling point: 3927 ℃
Crystal boron is black, second only to diamond in hardness, and has a brittle texture.
| Weight | 0.2g, 1g |
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