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The jade trade in Myanmar consists of the mining, distribution, and manufacture of jadeite—a variety of jade—in the nation of Myanmar (Burma). The jadeite deposits found in Myanmar's northern regions are the source of the highest quality jadeite in the world, noted by sources in China going as far back as the 10th century.
Salvia dorrii, [2] [3] the purple sage, [2] Dorr's sage, fleshy sage, mint sage, or tobacco sage, is a perennial spreading shrub in the family Lamiaceae.It is native to mountain areas in the western United States and northwestern Arizona, found mainly in the Great Basin and southward to the Mojave Desert, growing in dry, well draining soils.
Jadeite is a pyroxene mineral with composition Na Al Si 2 O 6.It is hard (Mohs hardness of about 6.5 to 7.0), very tough, and dense, with a specific gravity of about 3.4.It is found in a wide range of colors, but is most often found in shades of green or white.
Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]
The plant's specific epithet, leucophylla, describes the light grayish leaves. The type specimen was collected near Santa Barbara, California, by Scottish botanist David Douglas and named by Edward Lee Greene in 1892. The common names refer to the pale purple flowers (purple sage) or to the grayish leaves (gray sage). [2]
Salvia officinalis, the common sage or sage, is a perennial, evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is a member of the mint family Lamiaceae and native to the Mediterranean region , though it has been naturalized in many places throughout the world.
Salvia cacaliifolia, the blue vine sage or Guatemalan sage, is a species of flowering plant in the family Lamiaceae, native to the mountains of Chiapas, Mexico, and in Guatemala and Honduras, at 1,500–2,500 m (4,921–8,202 ft) elevation.
Though it has been considered "the purple sage of cowboy song fame", [4] it is not the plant of Grey's novel, as it is known in the U.S. only from Texas. [ 5 ] Psorothamnus scoparius , formerly Dalea scoparia and more often called broom dalea, is a purple-flowered, nearly leafless shrub found in Texas, New Mexico , Arizona , and Mexico.