Diamonds Cut glass, but this doesn't positively determine a diamond because other elements, like quartz, also lie higher than glass around the Mohs scale and might also Reduce it. Diamonds can scratch other diamonds, but this may lead to harm to one particular or both stones. Hardness exams are infrequently https://www.difeee.com/eng
Detailed Notes On Diamond
Internet - 1 hour 41 minutes ago aleisteru630egk1Web Directory Categories
Web Directory Search
New Site Listings