ML294 Cavansite

Code: ML294

水矽釩鈣石Name Cavansite
化學公式 Ca(VO)Si4O10•4H2OChemical Formula   Ca(VO)Si4O10•4H2O
莫氏硬度 3-4Mohs scale of Hardness 3-4  
釩鐵礦的名字來源於其化學成分矽酸鈣釩,它是一種深藍色的含水鈣釩鈣矽酸鹽礦物,與各種沸石礦物一起作為玄武岩和安山岩中的次生礦物存在。 釩鐵礦於1967年在俄勒岡州的Malheur縣發現,是一種相對稀有的礦物。 它與甚至更稀有的礦物五方晶體多態。 它最常見於印度的浦那和火成的大省德干陷阱。Description 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.  
小挑戰 Cavansite有什麼用? 雖然釩鐵礦確實含有釩,因此可能是該元素的潛在礦源,但通常不將其視為礦石礦物。 但是,由於其豐富的顏色和相對稀有的特性,鈣錳礦是收藏家的首選礦物。Challenge What is the use 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.



By 4A Nicholas 29 on 19/4/2021