래브라도라이트: 두 판 사이의 차이
내용 삭제됨 내용 추가됨
잔글 봇: 틀 이름 및 스타일 정리 |
편집 요약 없음 |
||
1번째 줄:
{{Infobox mineral
[[파일:Labradorite polie 3(Madagascar).jpg|섬네일]]▼
| name = 래브라도라이트
| category = [[Adularescence]], [[tectosilicate]]
| boxwidth =
| boxbgcolor =
| imagesize = 260px
| caption =
| formula = (Ca,Na)(Al,Si)<sub>4</sub>O<sub>8</sub>, where Ca/(Ca + Na) (% [[anorthite]]) is 50–70%
| molweight =
| system = [[Triclinic]]
| class = [[Pinacoidal]] ({{overline|1}}) <br/><small>(same [[H-M symbol]])</small>
| unit cell = a = 8.155 [[Ångström|Å]], b = 12.84 Å <br/>c = 10.16 Å; α = 93.5° <br/>β = 116.25°, γ = 89.133°; Z = 6
| color = Gray, gray-white, brown, greenish, pale green, blue, yellow, colorless
| habit = Crystals typically thin and tabular, rhombic in cross section, striated; massive
| twinning = Common by [[albite]], [[pericline]], Carlsbad, Baveno, or Manebach twin laws
| cleavage = Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
| fracture = Uneven to conchoidal
| mohs = 6–6.5
| luster = Vitreous to pearly on cleavages
| polish =
| refractive = {{Plainlist|
* n<sub>α</sub> = 1.554–1.563
* n<sub>β</sub> = 1.559–1.568
* n<sub>γ</sub> = 1.562–1.573
}}
| opticalprop = Biaxial (+)
| birefringence = δ = 0.008-0.010
| 2V = Measured: 85°
| dispersion = None
| pleochroism =
| fluorescence =
| absorption =
| streak = 백색
| gravity = 2.68 ~ 2.72
| density =
| melt =
| fusibility =
| diagnostic =
| solubility =
| diaphaneity = 반투명에서 투명
| other = Labradorescence ([[iridescence]], [[Lustre_(mineralogy)#Schiller|schiller optical effect]])
| references = <ref name="HBM">[http://rruff.geo.arizona.edu/doclib/hom/labradorite.pdf Handbook of Mineralogy]</ref><ref name="Mindat">[http://www.mindat.org/show.php?id=2308&ld=1#themap Mindat.org]</ref><ref name="Webmin">[http://webmineral.com/data/Labradorite.shtml Webmineral data]</ref>
}}
'''래브라도라이트'''({{lang|en|labradorite}}, ([[칼슘|Ca]], [[나트륨|Na]])([[알루미늄|Al]], [[규소|Si]])<sub>4</sub>[[산소|O]]<sub>8</sub>)는 캐나다 [[래브라도]]에서 처음 발견된 칼슘이 풍부한 [[장석]] [[광물]]이며 [[무지갯빛]] 효과를 낼 수 있다.
| |||