BICFD00020605 Beazley Insurance Company, Inc. 6 of 19. 1. a welfare plan as defined in ERISA sponsored solely by the Company or sponsored. jointly by the Company and a labor organization, solely for the benefit of the. employees of the Company, and which is so sponsored prior to the inception date of.
Diamond is a rare, naturally-occurring mineral composed of carbon. Each carbon atom in a diamond is surrounded by four other carbon atoms and connected to them by strong covalent bonds.This simple, uniform, tightly-bonded arrangement yields one of the most durable substances known.iamond is a rare, naturally-occurring mineral composed of carbon. Each carbon atom in a diamond is surrounded by four other carbon atoms and connected to them by strong covalent bonds.
There is no known natural mineral with a hardness greater than 30% the hardness of diamond, but there are synthetic materials that are, such as silicon carbide and boron carbide. These are used as abrasives and are both less than 40-50% the hardness of natural diamond (Table 4). Fig. 4 a-b. Knoop vs. Mohs' Hardness & log Knoop vs. Mohs' Hardness.