[ ƒgƒbƒv ] [ English ]
ƒTƒtƒBƒŠƒ“
Sapphirine [ѻΐ Spr ]
”Œ©”N: 1819”N (ƒOƒŠ[ƒ“ƒ‰ƒ“ƒh, Fiskenæsset‹Œ`), 1976”N (“ú–{)
ŽY’nƒŠƒXƒg: ƒTƒtƒBƒŠƒ“‚ÌŽY’n (5ƒ–Š)
- Mg4Al8Si2O20
- (Mg,Al)8(Al,Si)6O20
- (Mg,Fe)4-xAl4+xAl4+xSi2-xO20
- [Mg2+4][Al3+4][O2|(Al2SiO9)2]20-
- FÊ: ’WÂ, ŠD, ’W—Î
- ð: –³
- Œõ‘ò: ƒKƒ‰ƒX
- “§‰ß: “§–¾
- ™œŠJ: {100}{010}{001}3•ûŒü•s–¾—Ä
- d“x: 7.5
- ӊd: 3.4
- »Œn: ’PŽÎ (2M, 4M), ŽOŽÎ (1A, 3A, 5A) (Ï‘wƒ^ƒCƒv‚Ì‘½Œ^)
- ‘ÎÌ: 2/m, P21/c
- ŠiŽq: a=11.3, b=14.4, c=9.9, β=125.5