
Portoro Gold
Country of origin: Italy
Compression breaking load: 1,862 kg/sq.cm
Ultimate tensile strength: 104 kg/sq.cm
Thermal linear expansion coefficient: 0.005 mm/m°c
Frictional wear test relative abrasion coefficient: 0.74
Weight per unit of volume: 2,712 kg/cu.m
This Stone of the Month supplied by Cactus Stone, Phoenix, AZ. Technical details provide a frame of reference only. Because stone is a product of nature, testing to determine specific physical qualities should be repeated for each project. To submit your own Stone of the Month, send a high-resolution digital image, along with the relevant technical data, to michael@stoneworld.com.
www.cactusstone.com


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