English
Noun
en-noun|-
- mineralogy A variety of orthoclase feldspar found as tabular crystals embedded in volcanic rocks. It sometimes reflects a blue sheen along crystal planes. This phenomenon is called adularescence, and sanidine with this property is called moonstone.
Chemical composition: Potassium aluminum silicate, <math>KAlSi?_3O_8</math>
Physical properties:
*Moh's Hardness: 6.0
*Specific gravity: 2.6
*Color: white, flesh, yellow, pink
*Luster: glassy
*Fracture: conchoidal
*Habit: tabular. Well developed crystal faces are often highly reflective.
Translations
trans-top|variety of orthoclase feldspar
Finnish: t|fi|sanidiini
trans-mid
trans-bottom
zh:sanidine
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