Frequently marketed as a superfood, goji berries are almost always sold dried (rather than fresh) can usually be found in the supplement section or occasionally in the bulk foods section at natural foods stores and organic co-ops, or, check out your local Asian grocery for a better price on goji berries.
Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America. It is made of the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineral contained in nacre, with a microstructure inherited from the shell. It is one of few biogenic gemstones; others include amber and pearl.1 In 1981, ammolite was given official gemstone status by the World Jewellery Confederation, the same year commercial mini
a white or grayish variety of amphibole, Ca 2 Mg 5 Si 8 O 22 (OH) 2 , usually occurring in bladed crystals. The true asbestos, however, he says, is a fibrous variety of tremolite or hornblende. The tremolite occurs in white crystals, about a quarter inch in width and from a half to three inches in length. Scientific American Supplement, No. 415, December 15, 1883 Various. tremolite is a white to light gray silicate of lime and magnesia found especially in metamorphic limestones.