Sapphire is the gemstone variety of the mineral corundum. The word sapphire by itself refers to the blue variety of corundum. Sapphire is the most coveted of all the blue gemstones. Other colors of sapphire include White, green, yellow, orange, brown, pink, purple, grey, black, multicolored, and colorless. Sapphire is the birthstone for September.
* Scapolite >
Scapolite is a very common mineral, that has opaque properties. In some localities however, more transparent specimens can be found, and are rare. Gemstone forms of Scapolite come from Tanzania, Madagascar, Afghanistan, Tajikistan, India, China, Burma (Myanmar), Brazil, and Canada. Scapolite can be found in the colors white, yellow, orange, brown, pink, purple, and colorless.
* Silver >
Silver is an important precious metal, and has been used by ancient civilizations throughout history as a second to Gold in importance and value. Like Gold, it has always been used as a monetary standard, and ancient silver ornaments and silverware dating back centuries have been found throughout the world.
* Smithsonite >
Smithsonite belongs to the calcite group of minerals, a group of related carbonates that are isomorphus with one another. They are similar in many physical properties, and may partially or fully replace one another, forming a solid solution series. Smithsonite rarely occurs in visible crystals. The only two locations to produce large crystals of significance are Tsumeb, Namibia, and Broken Hill, Zambia.
* Smoky Quartz >
Smoky Quartz is the brown “smokey” variety of Quartz. It ranges in color from grayish-brown to deep black. Smoky Quartz can be opaque, but is almost always transparent to translucent, even when in its darkest color shade. Smoky Quartz is very common and was never an historically important gemstone. Only in very recent times has it become a popular gemstone.
Page 16 of 20