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Peridot (/ ˈ p ɛ r ɪ ˌ d ɒ t,-ˌ d oʊ / PERR-ih-dot, -doh), sometimes called chrysolite, is a yellow-green transparent variety of olivine. Peridot is one of the few gemstones that occur in only one color. Peridot can be found in mafic and ultramafic rocks occurring in lava and peridotite xenoliths of the mantle.
Peridotite (US: / ˈ p ɛ r ɪ d oʊ ˌ t aɪ t, p ə ˈ r ɪ d ə-/ PERR-ih-doh-tyte, pə-RID-ə-) is a dense, coarse-grained igneous rock consisting mostly of the silicate minerals olivine and pyroxene.
Gemstones, also known as semi-precious stones or gems, are minerals widely used in jewelry and for ornamental purposes. Northern and western regions of Pakistan are rich in high quality gemstones. Some of the major gemstones are enlisted below; [4] Peridot; Aquamarine; Topaz - in various colours including violet, pink, golden, and champagne ...
Emeralds and other green gemstones like tourmaline, peridot, and jade correlate to the green color wavelength and heart chakra, so wearing stones of such color can amplify one’s heartfelt ...
Historic specimen of forsterite var. peridot, 1.3 cm × 0.7 cm × 0.4 cm (0.5 in × 0.3 in × 0.2 in). Mining of peridot seems to have begun around 300 BC. The island is considered geologically unique as it is uplifted mantle, a fragment of the sub-Red Sea lithosphere. Rocks on the island are mainly lower crustal igneous rocks.
In 1979, Gemstones Corporation of Pakistan was established to develop the gemstones sector in Pakistan, however in 1997 the corporation liquidated. [3] Now a number of organizations are working in this sector including All Pakistan Commercial Exporters Association of Rough & Unpolished Precious and Semi Precious Stones (APCEA) and Pakistan Gems and Jewellery Development Company (PGJDC).
Underwater archaeologists dug under 20 feet of sand and rock off the coast of Sicily and found a 2,500-year-old shipwreck. Researchers date the find to either the fifth or sixth century B.C.
A stone slab covered with 123 hieroglyphic cartouches discovered at an ancient Maya pyramid in Mexico might not be a treasure map to a lost city, but it comes incredibly close.
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