Most drivers must obtain a commercial driver's license (CDL) through their home State (it is illegal to have a license from more than one State). In addition, special endorsements may be required if you or your company drivers will be driving any of the following vehicles: a truck with double or triple trailers.
Garnet is a very popular gemstone, and is the most well-known dark red gemstone. Red Garnet gemstones (Almandine and Pyrope) are very affordable and faceted into all types of jewerly, including necklaces, rings, bracelets, and earrings.Round cabochons of red Garnet are also popular and used in rings and bracelets.arnet is not a single mineral, but describes a group of several closely related minerals. Garnets come in a variety of colors and have many different varieties. However, the most widely-known color of Garnet gemstones is dark red.
Even some of the black gemstones above â hematite, jet and obsidian in particular â are not categorically precious or semi-precious stones; but these black stones are used as ornaments. Other black rocks made into jewelry include amphibolites, lodestone, tektite and lava.ike white moonstones, the black gemstones hail from the group of minerals called feldspars, along with sunstone, oligoclase and andesine. The black semi-precious stones are not necessarily black entirely, but may be grey, interspersed in many cases with the beige and white of the more well-known moonstone.