Krzątała, Arkadiusz and Krüger, Biljana and Galuskina, Irina and Vapnik, Yevgeny and Galuskin, Evgeny·CC BY 4.0·Wikimedia
構成
Composizione (% in peso)
O
Ba
Si
Ca
- OOxygen32.3%
- BaBarium30.8%
- SiSilicon18.9%
- CaCalcium18.0%
語源
名前の由来 Robert E. Walstrom.
名前の由来 Robert E. Walstrom.