矽鈣鈾礦

{{Infobox mineral
| name = 矽鈣鈾礦
| boxwidth =
| boxbgcolor =
| image = Uranophane.jpg
| imagesize = 260px
| alt =
| caption =
| category = 島矽酸鹽礦物
| formula = Ca(UO2)2(HSiO4)2·5H2O
| molweight = 586.36 g/mol
|IMAsymbol=Urp-α
| strunz = 9.AK.15
| dana =
| system = 單斜
| class = 楔形 (2)
（H-M記號相同）
| symmetry = P21
| unit cell = a = 15.85 Å, b = 6.98 Å
c = 6.64 Å; β = 97.45°; Z = 2
| color = 淺黃色、檸檬黃色、蜂蜜黃色、稻草黃色、綠黃色
| colour =
| habit = 晶體以星狀針狀聚集體形式出現；作為纖維結殼和塊狀
| twinning =
| cleavage = {100}完美
| fracture = 參差狀
| tenacity = 脆
| mohs = 2.5
| luster = 玻璃到珍珠光澤；塊狀時蠟狀或泥土光澤
| streak = 黃白色
| diaphaneity = 半透明
| gravity = 3.81 - 3.90
| density =
| polish =
| opticalprop = 雙軸 (-)
| refractive = nα = 1.643 nβ = 1.666 nγ = 1.669
| birefringence = δ = 0.026
| pleochroism = 弱；X = 無色；Y = 淡金絲雀黃色; Z = 金絲雀黃色
| 2V = 計算：32°-45°
| dispersion =
| extinction =
| length fast/slow =
| fluorescence = 短波和長波UV下弱黃綠色
| absorption =
| melt =
| fusibility =
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| other = 放射性
| prop1 =
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}}
矽鈣鈾礦（）是一種稀有的水合含鈣鈾矽酸鹽礦物，化學式為Ca(UO2)2(SiO3OH)2·5H2O，由其他含鈾礦物氧化形成。它是黃色的，有放射性。

參考資料