Definition for SIN'TER


In mineralogy, calcarious sinter is a variety of carbonate of lime, composed of a series of successive layers, concentric, plane or undulated, and nearly or quite parallel. It appears under various forms. – Cleaveland. Silicious sinter is white or grayish, light, brittle, porous, and of a fibrous texture. Opaline silicious sinter somewhat resembles opal. It is whitish, with brownish, blackish or bluish spots, and its fragments present dendritic appearances. – Phillips. Pearl sinter or fiorite occurs in stalactitic, cylindrical, botryoidal, and globular masses, white or grayish. – Phillips.

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