单词 | anthophyllite |
释义 | anthophylliten. Mineralogy. A purplish- or yellowish-brown ferromagnesian silicate mineral of the amphibole group which occurs as fibrous or lamellar masses, esp. in metamorphic rocks.Chemical formula: (Mg, Fe)7Si8O22(OH)2. Crystal system: orthorhombic. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > amphibole (double chain) > [noun] > hornblende > varieties smaragdite1804 antholite1806 anthophyllite1806 pargasite1818 fasciculite1823 dannemorite1857 grünerite1861 kaersutite1886 tschermakite1945 magnesiohornblende1978 1806 S. Weston Werneria II. 53 Anthophyllit is of the colour of a clove-gilliflower. 1806 S. Weston Werneria II. 54 Anthophyllite does not mean what is here intended, the flower-stone, but the flower-leaf-stone. 1876 A. P. Swineford Hist. & Rev. Mineral Resources Lake Superior 140 The anthophyllite is easily recognised by its radiated form. 1917 Bull. U.S. Geol. Surv. No. 625. 292 The gangue..consists of garnet, anthophyllite (a variety of amphibole), and a little quartz. 1991 W. D. Nesse Introd. Optical Mineral. (ed. 2) xiv. 246/1 The fibrous amphiboles (riebeckite, anthophyllite, tremolite, etc.) are distinguished because they have higher indices of refraction and birefringence. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < n.1806 |
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