Assertion: stone | /r/HasProperty | natural product
Facets:
Source sentences:
text: Stones are a natural product and can vary in length, width and thickness and are sized on their largest dimension
text: The specialized coating alters the stones natural refraction, creating rainbow colours, predominantly blues, greens, yellows, and small bursts of red shades.
text: Stones are a natural product and can vary in length, width and thickness and are sized on their largest dimension