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syenite

Syenite is a 7 letter word which starts with the letter S and ends with the letter E for which we found 2 definitions.

Definition
(n.) Orig. a rock composed of quartz hornblende and feldspar anciently quarried at Syene in Upper Egypt and now called granite.
(n.) A granular crystalline ingeous rock composed of orthoclase and hornblende the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (elaeolite) or leucite and is then called nephelite (elaeolite) syenite or leucite syenite.
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