Hibiscus or Rose of China (Hibiscus rosa-sinensis) is a flowering plant that can bloom almost year-round. It has large, colorful flowers and is cultivated throughout the tropics and other warm climates.
Orthoclase Gemstone Information. About Orthoclase-History and Introduction. Orthoclase is a rare gemstone that belongs to the feldspar group, which also includes moonstone, amazonite, spectrolite and labradorite. Therefore, orthoclase is sometimes also called K-spar.Orthoclase gemstones are typically champagne yellow, golden yellow or greenish, though they can be other colours.rthoclase Gemstone Information. About Orthoclase-History and Introduction. Orthoclase is a rare gemstone that belongs to the feldspar group, which also includes moonstone, amazonite, spectrolite and labradorite. Therefore, orthoclase is sometimes also called K-spar.
An introduction to crystal chemistry helps in understanding what gems are made of and how this affects gemstone environments and associations. Most gemstones are minerals, inorganic crystal treasures found in the natural world. Some gemstones are not minerals but are organically derived, such as amber and jet. Inorganic gems are crystalline, while organic gems are non-crystalline so described as amorphous, or without the crystalline form.