The Direction of best hardness is parallel to the octahedral crystal planes. When diamond crystals are being cut and polished into gems, it's very difficult to chop them in that way with a diamond saw. Nevertheless, the true motivator will very likely be value. Presently, many artificial diamonds made for https://www.difeee.com/eng
About Diamond
Internet - 2 hours 31 minutes ago abrahamn317xzd8Web Directory Categories
Web Directory Search
New Site Listings