Victor V. Sharygin, Sergey N. Britvin, Felix V. Kaminsky, Richard Wirth, Elena N. Nigmatulina, Grigory A. Yakovlev, Konstantin A. Novoselov, and Mikhail N. Murashko·CC BY 4.0·Wikimedia
構成
Composizione (% in peso)
Ca
O
Si
- CaCalcium41.7%
- OOxygen38.8%
- SiSilicon19.5%
語源
名前の由来 George A. Rankin.