noun Date: 1836 amazonite

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • amazonstone — amazon stone n. See amazonite. * * * ▪ mineral also called  Amazonite,         a gemstone variety of green microcline (q.v.), a feldspar mineral. Frequently confused with jade, amazonstone varies in colour from yellow green to blue green and may… …   Universalium

  • amazonstone — noun A bluish green variety of microcline feldspar used as a gemstone. The best known occurrences are at Crystal Peak and Pikes Peak in Colorado …   Wiktionary

  • amazonstone — am·a·zon·stone …   English syllables

  • amazonstone — noun see amazonite …   Useful english dictionary

  • microcline — /muy kreuh kluyn /, n. a mineral of the feldspar group, potassium aluminum silicate, KAlSi3O8, identical in composition with orthoclase but having triclinic instead of monoclinic crystals, used in making porcelain. [1840 50; MICRO + cline < Gk… …   Universalium

  • feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… …   Universalium

  • microcline — noun A common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSiO. Microcline is the main feldspar of granite. The bluish green variety is called amazonstone, and is… …   Wiktionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”