They typically include hedge funds, private equity, venture capital, real estate, and real assets, although this investment category is fluid, and new products are constantly being developed. Alternative investments use techniques and instruments that are unavailable in traditional investment approaches.
Pearls are a popular gemstone, especially in jewelry-making. Gemstones. Turquoise, a popular gemstone, is used to make jewelry. Diamonds. Promise rings often feature gems such as amethyst. Quartz is a common type of gemstone. Diamonds are traditionally given as an engagement ring during a marriage proposal.
Stones are normally classified into two categories, precious stones and semi-precious stones. The value of a stone is gauged on these types. Many collectors prefer the rare to the beautiful. The precious stones are the emeralds, diamonds, sapphires, and rubies.eparating precious stones into these types of groups helps to identify their composition, their color, and their origin. They also have a refractive index, dispersion, specific gravity, hardness, cleavage, fracture, and luster. Each of these features is important when assessing the value of the stone. Ad.