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・ Cavanakeeran
・ Cavanakill
・ Cavanal Hill
・ Cavanaugh Bay Airport
・ Cavanaugh Flight Museum
・ Cavani
・ Cavani String Quartet
・ Cavanilla
・ Cavanillesia
・ Cavanillesia hylogeiton
・ Cavanillesia platanifolia
・ Cavanillesia umbellata
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・ Cavanna family
・ Cavano
Cavansite
・ Cavan–Monaghan
・ Cavan–Monaghan (Dáil Éireann constituency)
・ Cavaquinho
・ Cavaradossi
・ Cavaraella
・ Cavarc
・ Cavareno
・ Cavares
・ Cavargna
・ Cavaria con Premezzo
・ Cavaria-Oggiona-Jerago railway station
・ Cavariella konoi
・ Cavarus
・ Cavarus Point


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Cavansite : ウィキペディア英語版
Cavansite

Cavansite, whose name is derived from its chemical composition, ''calcium vanadium silicate'', is a deep blue hydrous calcium vanadium phyllosilicate mineral, occurring as a secondary mineral in basaltic and andesitic rocks along with a variety of zeolite minerals. Discovered in 1967 in Malheur County, Oregon, cavansite is a relatively rare mineral. It is polymorphic with the even rarer mineral, pentagonite. It is most frequently found in Pune, India and in the Deccan Traps, a large igneous province.
==Uses of cavansite==
While cavansite does contain vanadium, and could thus be a possible ore source for the element, it is not generally considered an ore mineral. However, because of its rich color and relative rarity, cavansite is a sought after collector's mineral.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Cavansite」の詳細全文を読む



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