əˌlaɪt noun
a coarse-grained, phaneritic rock composed of labradorite, nepheline, and augite.
Origin:
< Greek thḗra hunting + -lite; said to be so called because success in hunting it down was thought to be certain
< Greek thḗra hunting + -lite; said to be so called because success in hunting it down was thought to be certain
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To theralite
Encyclopedia Britannica
Encyclopedia
theralite
any member of a group of intrusive igneous rocks that contain labradorite (basic plagioclase feldspar), nepheline, and titaniferous augite. Theralites are classified in the nepheline-tephrite group in this series (see also nephelinite). Olivine, biotite, orthoclase feldspar, and an alkali amphibole may be present as subordinate constituents. With the exception of nepheline and orthoclase, the minerals of theralites are usually present in well-shaped crystals. Nepheline itself may be largely represented by secondary zeolites.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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00:10
Theralite
is always a great word to know.
So is gobo. Does it mean:
| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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