- bloodstone
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/blud"stohn'/, n.a greenish variety of chalcedony with small bloodlike spots of red jasper scattered through it. Also called heliotrope.[1545-55; BLOOD + STONE]
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▪ mineralalso called heliotropedark-green variety of the silica mineral chalcedony that has nodules of bright-red jasper distributed throughout its mass. Polished sections therefore show red spots on a dark-green background, and from the resemblance of these to drops of blood it derives its name. Bloodstone was greatly prized in the Middle Ages and was used in sculptures representing flagellation and martyrdom; it later became of small importance. Notable occurrences include the Kāthiāwār Peninsula, India. Its physical properties are those of quartz (see silica mineral [table] ).* * *
Universalium. 2010.
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Bloodstone — Blood stone , n. (Min.) (a) A green siliceous stone sprinkled with red jasper, as if with blood; hence the name; called also {heliotrope}. (b) Hematite, an ore of iron yielding a blood red powder or streak. [1913 Webster] … The Collaborative International Dictionary of English
bloodstone — [blud′stōn΄] n. dark green chalcedony spotted with red jasper, used as a semiprecious stone; heliotrope … English World dictionary
bloodstone — Hematite Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in… … The Collaborative International Dictionary of English
bloodstone — noun Date: 1551 a green chalcedony sprinkled with red spots resembling blood called also heliotrope … New Collegiate Dictionary
bloodstone — noun A green chalcedony that has been sprinkled with red spots (which resemble blood, hence the name) … Wiktionary
Bloodstone — Инструмент для ручной полировки и золочения … Краткий толковый словарь по полиграфии
BLOODSTONE — See HELIOTROPE … The Nuttall Encyclopaedia
bloodstone — n. type of precious stone … English contemporary dictionary
bloodstone — noun a green gemstone that is spotted or streaked with red, a variety of chalcedony … English new terms dictionary