Amphibole group by-nc-sa: Giant Gingko Amphibole minerals are found in igneous and metamorphic rocks. Amphibole minerals form needle-like or prism-shaped crystals. USGS The minerals collectively know as asbestos are members of the amphibole mineral group. Most amphibole minerals are not asbestos. b y - n c : m e g a n p r u Amphibole is found in intrusive igneous rocks. diorite granite lamprophyre b y - n c - s a : R o n S c h o t t © Bruce Molnia, (Earth Science Image Bank) granodiorite USGS U S G S Amphibole is found in extrusive igneous rocks. rhyolite andesite dacite USGS Mount St. Helens by-nc-sa: Ron Schott U S G S USGS Amphibole (dark) and plagioclase (light) crystals in amphibolite. Amphibole is found in metamorphic rocks. gneiss schist © Cornel Manecan (Earth Science Image Bank) b y - n c - n d : G O C 5 3 metamorphosed limestone with stromatalites Greenstone belts, named for the green color of amphibole, contain metamorphosed igneous and sedimentary rock. by: kevinzim b y - n c - s a : R o n S c h o t t metamorphosed pillow basalt b y - n c - s a : R o n S c h o t t amphibolite cut by dikes Microscopic photograph of asbestos. ATSDR/CDC The amphiboles in metamorphic rocks can form very long and thin crystals. p u b l i c d o m a i n Most commercial asbestos comes from chrysotile, a fibrous variety of the mineral serpentine (amphibole). U S G S ( E a r t h S c i e n c e I m a g e B a n k ) by-nc-nd: Niemster b y - n c : A l b i n o F l e a Asbestos was used in older buildings as insulation, roofing material, and other heat or fire proof applications. b y - n c - n d : p a t r i c i a i m a g i n e s Asbestos removal is happening all over the world. b y - n c : E r i k B b y - n c - n d : A l a i n B a c h e l l i e r b y - n c - n d : m a x n a t h a n s by-sa: Michael Pereckas Amphiboles are an important component of many decorative building stones, where their colors contribute to the stones’ decorative pattern. by-nc-sa: James_C by-nd: amishah b y - n c - s a : R o n S c h o t t [...]...by-nc-sa: mharrsch by-nc-sa: libraryman Jade is made of amphibole or pyroxene, and prized in Chinese, Maori and Aztec cultures © StoneTrust (Earth Science Image Bank) by-nc-nd: Hunter333 by-nc-nd: sanofi2498 by-sa: cygnoir by-nc: Mister Wind-Up Bird Nephrite (an amphibole) and jadeite (a pyroxene) are nearly indistinguishable by-nc-sa: Giant Gingko Amphibole group media rights Our notation Creative Commons . Amphibole group by-nc-sa: Giant Gingko Amphibole minerals are found in igneous and metamorphic rocks. Amphibole minerals form needle-like or prism-shaped. collectively know as asbestos are members of the amphibole mineral group. Most amphibole minerals are not asbestos. b y - n c : m e g a n p r u Amphibole is found in intrusive igneous rocks. diorite granite. Bank) granodiorite USGS U S G S Amphibole is found in extrusive igneous rocks. rhyolite andesite dacite USGS Mount St. Helens by-nc-sa: Ron Schott U S G S USGS Amphibole (dark) and plagioclase