Lexic.us

Definition of Phenacite

1. n. A glassy colorless mineral occurring in rhombohedral crystals, sometimes used as a gem. It is a silicate of glucina, and receives its name from its deceptive similarity to quartz.

Definition of Phenacite

1. Noun. (minerology) A clear glassy mineral, a silicate of glucina, occurring in rhombohedral crystals and sometimes used as a gem. ¹

¹ Source: wiktionary.com

Definition of Phenacite

1. [n -S]

Medical Definition of Phenacite

1. A glassy colourless mineral occurring in rhombohedral crystals, sometimes used as a gem. It is a silicate of glucina, and receives its name from its deceptive similarity to quartz. Origin: Gr, impostor, deceiver. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Phenacite

Literary usage of Phenacite

Below you will find example usage of this term as found in modern and/or classical literature:

1. Descriptive Mineralogy by William Shirley Bayley (1917)
"phenacite occurs at the Emerald Mines near Ekaterinburg in the Urals; near Fremont, ... The colorless phenacite is used to a slight extent as a gem. ..."

2. Rock Minerals: Their Chemical and Physical Characters and Their by Joseph Paxson Iddings (1911)
"phenacite occurs in granite, pegmatites, associated with beryl, topaz, ... phenacite is most like colorless tourmaline in its optical properties, ..."

3. A Text-book of Mineralogy: With an Extended Treatise on Crystallography and by Edward Salisbury Dana, William Ebenezer Ford (1922)
"... respectively of the positive illustrate these forms. Fig. 1) below. line ). phenacite TYPE ... phenacite ..."

4. Mineralogy: An Introduction to the Scientific Study of Minerals by Henry Alexander Miers (1902)
"THE phenacite GROUP Dioptase . ... phenacite . . . Be.,SiO4 Willemite . . . Zn~SiO4 The minerals of this group are chiefly interesting as affording examples ..."

5. Lectures on Mineralogy: Delivered at the School of Mines, Columbia College by Thomas Egleston (1886)
"R. -iR; often without-i R. phenacite. Se2 Si. HEXAGONAL. SYN. ... The base rarely occurs in phenacite, while it is very usual in Beryl. ..."

6. Lectures on Mineralogy: Delivered at the School of Mines, Columbia College by Thomas Egleston (1872)
"The base rarely occurs in phenacite, while it is very usual in Beryl. It might be mistaken for Quartz, but its terminations are ..."

7. A Treatise on Mineralogy by Charles Upham Shepard (1857)
"phenacite, Nordenskiold. P : 6=147° 42', P : n=l22° 17'. Macles with parallel axes are also common from Framont. [Hz=7'5. G.=2'96. ..."

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