Green obsidian from columbia7/26/2023 Feldsparsįeldspars are the most abundant minerals, classified in two main groups, the alkali series and the plagioclase series. DiamondĬ: Reports of microscopic crystals from chromite found on Olivine Mt. Rubies of minute grains have been found in some of the tributary creeks of the Tulameen River. Gem quality sapphire pebbles of light green colour have been found in the Pend Oreille River. are known to exist at Kinbasket Lake, Kootenay Lake ,Vernon, and Prince Rupert areas. CorundumĪl2O3+Fe,Ti,Cr: Corundum is found in metamorphosed rocks such as gneiss and schist. Recently pockets of pegmatite containing yellow to yellow-green to aqua coloured beryls have been found in the Slocan Valley. Most of beryls are very pale, near white with occasional blue-green crystals occurring in the Angus, Porcupine, White, Skookumchuk, and Hellroaring Creek areas. Pegmatite is abundant in large dykes and loose blocks in the Kootenay District. Beryls have been identified at the Bonanza mica mine near Tete Jaune Cache. A few well formed pale bluish green beryls have been seen at Fort Graham in the Buttle Range. Beryls of the Logjam Creek, Horseranch Range, Dortatelle Creek in the Cassiar area are small, opaque, poorly formed crystals of bluish green colour. are found in pegmatites, although occurrences are numerous, beryls are not exceedingly common. Berylīe3Al2Si6O18+Fe,Mn,Cr,V,Cs: Most beryls in B.C. long have been found in veins of fluorite at the Rock Candy mine Kennedy Creek near Grand Forks. BariteīaSO4+Ca,Sr: Facetable yellow crystals up to 11.5cm. Another source for Argillite is north of Horseshoe Bay. This decorative material became renown because of the imaginative and skillful carvings of the Haida Indians of Skidegate and Massett, of the Queen Charlottes. AergilliteĪ metamorphic rock formed from petilic sediments. AndalusiteĪl2 SiO5+Fe: Chiastolite variety is common in the black schist of the hills of Armstrong. Nodules are found in shaly sandstone along the Peace River Canyon, and sizable nodules off the Pacific coast on Graham Island of the Queen Charlottes. are found in yellow colour with a greenish tinge and occasional plant inclusions along the Quesnel River near Quesnel. For the purposes of this article, a gemstone is defined as any natural material that is cut and polished for ornamental purposes.
0 Comments
Leave a Reply. |