sanidine


Also found in: Encyclopedia, Wikipedia.
Related to sanidine: nepheline, orthoclase, oligoclase, microcline, leucite, anorthite

san·i·dine

 (săn′ĭ-dēn′, -dĭn)
n.
A yellow to white, glassy monoclinic mineral of the potassium feldspar group that forms from relatively high-temperature magmas.

[Greek sanis, sanid-, board (from its flat crystals) + -ine.]

sanidine

(ˈsænɪˌdiːn; -dɪn)
n
(Minerals) an alkali feldspar that is a high-temperature glassy form of orthoclase in flat, tabular crystals, found in lavas and dykes. Formula: KAlSi3O8
[C19: from German, from Greek sanis, sanidos a board]
Translations
sanidiini
References in periodicals archive ?
Sintered sanidine glass-ceramics from industrial wastes, Journal of the European Ceramic Society 26: 3335-3341.
Soil properties of the six selected soils for the K uptake trial Dominant clay minerals given only; other clay minerals measured were albite, orthoclase, sanidine and hematite PH EC (1 :5) eCEC Org.
50, in six limited-edition shades as part of the Jewels of the Earth collection - Crushed Citrine, Terraverte (pictured) Sanidine, Azurite, and Jade, www.
An exploration well is planned for mid 2007 on the Sanidine prospect in the Kiarsseny license, while two wells will be drilled in the Nziembou license as part of the wider Niungo program.
The sanidine composition has been studied in twelve drill-cores with an aim to identify the ash beds in the Telychian of Estonia.
Despite the inclusion of statements such as 'all contain sanidine in the groundmass as well as significant amounts of plagioclase .
Essential minerals are phenocrysts and glomerocrysts of anorthoclase, sanidine up to 1,5 cm and anorthoclase-mantled plagioclase; accessory minerals are red biotite, and hastingsite while trace minerals are augite, zircon, sphene and magnetite.
1986, Proterozoic sanidine and microcline in pegmatite, Wausau complex, Wisconsin, Canadian Mineralogist, v.
The tuff is covered with 3 to 4 feet of claylike soil and alluvium, composed mainly of quartz, feldspar, sanidine crystals, rhyolite, and latite.
Analysis by X-ray diffraction showed that, apart from the quartz, which is dominant, about 5% of albite is present with a lesser amount of sanidine, but no iron oxide.
In the most recent effort, the researchers dated sanidine, an ideal mineral because of its tight crystalline lattice.