Trachyte
... accessory minerals. Trachytes usually consist mainly of sanidine (or glassy orthoclase) feldspar. Very often they ... of the plutonic syenites. Their dominant mineral, sanidine feldspar, very commonly occurs in two generations ... plagioclase, usually oligoclase; but the potash felspar (sanidine) often contains a considerable proportion of the ... of anorthoclase or cryptoperthite than of pure sanidine. Rhomb porphyry is an example with usually ... Rhine, show this character excellently, having large sanidine crystals of tabular form an inch ...
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Lamproite
... richterite ; low aluminium diopside; and iron-rich sanidine. A variety of rare trace minerals occur ... 2 O 3 ) leucite, and iron-rich sanidine (typically 1-5 wt% Fe 2 O ... Wyomingite diopside-leucite-phlogopite lamproite Orendite diopside-sanidine-phiogopite lamproite Madupite diopside madupitic lamproite Cedricite ... Fortunite hyalo-enstatite-phlogopite lamproite Cancalite enstatite-sanidine-phlogopite lamproite Related rock types Kimberlite Orangeite ...
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Leucite
... syenites. The rocks in which orthoclase (or sanidine) is present in considerable amount are leucite ... are of trachytic appearance, containing phenocysts of sanidine, leucite, augite and biotite. Sodalite or hauyne ... rich in leucite, but contain also some sanidine and often much nepheline with hauyne or ... resembles that of the tephrites and basanites. Sanidine, melanite, hauyne and perovskite are frequent accessory ...
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Feldspar   (translated from Japanese)
... The orthoclase and the microcline, サニディン (the sanidine) is included in the kalium feldspar. As ... the minute lead is included. サニディン サニディン(Sanidine) ((K and Na) AlSi 3 O 8 ...
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Nepheline
... occurrence, being analogous in these respects to sanidine or glassy orthoclase and common orthoclase respectively ... crystals are those which occur with mica, sanidine, garnet, etc., in the crystal-lined cavities ...
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Orthoclase
... a lack in gridiron twinning . Distinguishable from sanidine by a larger 2V x Orthoclase (KAlSi ... perthite. A glassy kind of orthoclase, called sanidine, is typical of felsic volcanic rocks and ...
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Trachyte   (translated from French)
... volcanic with microlithic and fluidal composed of sanidine , of anorthose , of white feldspar and sometimes ...
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Ignimbrite   (translated from French)
... is mainly made up of quartz , of sanidine, of albite and of biotite . It has ...
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Feldspar   (translated from French)
... polysynthetic (also named macles of the microcline). sanidine (KAlSi 3 0 8 ) the same chemical ...
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Rhyodacite
... of granodiorite. Phenocrysts of sodium rich plagioclase, sanidine, quartz, and biotite or hornblende are typically ...
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