-- Code of China: G778<br>
-- Country of Origin: Guizhou, China<br>
-- Bulk Density: 3.00G/cm3, no harder than Shanxi Black, but harder than other black stone like Mengolian Black.<br>
-- Water Absorption: 0.08%<br>
-- Compressive Strength: 200MPa<br>
-- Color: pure black, it is similar to shanxi black, with petty white spots, but it wont influent its pure black appearance.