Assertion: chrysoberyl's hardness | /r/HasProperty | 3.90 to 4.10 cleavage
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Source sentences:
text: Yellow, orange, red, green, colorless Hardness: 3.5 to 4 on the Mohs scale Refractive Index: 2.368 to 2.371 Density: 3.90 to 4.10 Cleavage: