钙铬榴石(英語:Uvarovite)[1]是一種含鉻石榴石族的物種,化學式Ca3Cr2Si3O12。1832年由Germain Henri Hess發現,以俄羅斯政治家和業餘礦物收藏家Sergei Semenovitch Uvarov(1765年-1855年)伯爵的名字命名[2]。钙铬榴石與其他含鈣的石榴石、包括钙铁榴石和鈣鋁榴石等一起被歸類為鈣石榴石組[3],是石榴石組稀有的礦物之一[4]。
錳鉛榴石-鈣鋁榴石系列礦物,在低壓下可在高達1410 °C的溫度保持穩定的狀態[7]。
錳鉛榴石分佈很廣,最重要的產地是芬蘭奧托昆普(現已關閉)的銅礦,大多數博物館標本都是從那裡收集的[8]。在 Outokumpu 地區的錳鉛榴石產於屬於富鉻的矽酸鹽相,與火山活動造成的銅-鈷-鋅硫化物礦床有關,並含異常高的鉻含量[9]。
美國的錳鉛榴石主要在新墨西哥州、亞利桑那州和加利福尼亞州以及東部的賓夕法尼亞州的蘭開斯特縣。其他美洲產地還有古巴東部[10] 。
歐洲產地除了奧托昆普遺址以外,還有挪威羅羅斯,芬蘭皮特卡蘭塔,意大利瓦爾馬倫科,西班牙維納斯克,土耳其,以及俄羅斯的Biserk和Sarany[8]。 在南非德蘭士瓦的Bushveld火成岩複合體[11] 和博茨瓦納的Vumba片岩帶 [12] 都發現了钙铬榴石。 亞洲的台灣[13] 和日本[14],澳大利亞(新南威爾士州南部的鉻鐵礦礦床)都有發現過钙铬榴石[15]。
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Frankel, J. J. (1959). "Uvarovite garnet and South African jade (hydrogrossular) from the Bushveld Complex, Transvaal". American Mineralogist. 44 (5–6): 565–591.
Mogessie, A.; Rammlmair, D. (1994). "Occurrence of zoned uvarovite-grossular garnet in a rodingite from the Vumba Schist Belt, Botswana, Africa: implications for the origin of rodingites" (PDF). Mineralogical Magazine. 58 (392): 375–386. Bibcode:1994MinM...58..375M.
Wan, Hsien-Ming; Yeh, Chun-Lu (1984). "Uvarovite and grossular from the Fengtien nephrite deposits, eastern Taiwan" (PDF). Mineralogical Magazine. 48 (346): 31–37. Bibcode:1984MinM...48...31W.
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