حجر الشمس

Also known as aventurine feldspar

Sunstone is a microcline or oligoclase feldspar, which when viewed from certain directions exhibits a spangled appearance. It has been found in Southern Norway, Sweden, various localities in the United States, and on some beaches along the midcoast of South Australia.

Key facts

Mineral.name: Sunstone
Mineral.category: Tectosilicate minerals
Mineral.group: Feldspar group
Mineral.series: Alkali feldspar series
Mineral.IMAstatus: Variety of microcline or oligoclase
Mineral.boxbgcolor: f1ae9a
Mineral.image: sunstone1.jpg
Mineral.imagesize: 260px
Mineral.formula: (Ca,Na)((Al,Si)SiO)
Mineral.color: Colorless, orange, yellow, red, green, blue, brown, and copper shiller
Mineral.habit: Euhedral crystals, granular
Mineral.system: Triclinic
Mineral.twinning: Lamellar
Mineral.cleavage: 001
Mineral.mohs: 6.0–6.5
Mineral.refractive: 1.525–1.58
Mineral.gravity: 2.64–2.66
Mineral.diaphaneity: Transparent to translucent and opaque

via Wikipedia infobox

Wikidata facts

Subclass of: feldspar
Image: Oligoclase-Sunstone from India2.jpg

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Commons category: Sunstone
described by source: Encyclopædia Britannica 11th edition

Sources (2)

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Article · العربية

حجر الشمس هو فلدسبار بلاغيوكلاس، عند النظر إليه من اتجاهات معينة فإنه يظهر بمظهر لامع رائع. ويستخدم كحجر كريم. عثر على هذا الحجر في منطقة النرويج الجنوبي وفي بعض المناطق في الولايات المتحدة. ويعتبر الحجر الكريم الرسمي لولاية أوريغون.

Abstract from DBpedia / Wikipedia · CC BY-SA

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