The green gemstone peridot is known in its mineral form by what edible coloured/colored name?
Peridot olivine is a 310 carat (62 g) specimen in the Smithsonian Museum in Washington, D.C. Peridot olivine is the birthstone for the month of August. Peridot Peridot ( or ) is gem-quality olivine, which is a silicate mineral with the formula of (Mg, Fe)SiO. As peridot is the magnesium-rich variety of olivine (forsterite), the formula approaches MgSiO. The origin of the name "peridot" is uncertain. The "Oxford English Dictionary" suggests an alteration of Anglo–Norman "pedoretés" (classical Latin "pæderot"-), a kind of opal, rather than the Arabic word "faridat", meaning "gem". The Middle English Dictionary's entry on "peridot" includes several variations
Peridot of the St Albans Abbey, in Latin, and its translation in 1705 is possibly the first use of "peridot" in English. It records that on his death in 1245, Bishop John bequeathed various items including peridot to the Abbey. Peridot is one of the few gemstones that occur in only one color: an olive-green. The intensity and tint of the green, however, depends on the percentage of iron that is contained in the crystal structure, so the color of individual peridot gems can vary from yellow, to olive, to brownish-green. In rare cases, peridot may occur in a medium-dark toned,