"තලාතු මිනිරං" හි සංශෝධන අතර වෙනස්කම්

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'thumb|තලාතු මිනිරං' යොදමින් නව පිටුවක් තනන ලදි
 
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1 පේළිය:
{{Infobox mineral
[[File:MicaSheetUSGOV.jpg|thumb|තලාතු මිනිරං]]
| name = Biotite
| category = Dark [[mica]] series
| boxwidth =
| boxbgcolor =
| image = MeroxeneSomma.png
| imagesize = 200px
| caption = biotite: Topotype deposit<br/>(Image width: 2.5&nbsp;mm)
| formula = {{chem|K(Mg,Fe)|3|(AlSi|3|O|10|)(F,OH)|2}}
| molweight = 433.53 g
| color = Dark brown, greenish-brown, blackish-brown, yellow, white
| habit = Massive to platy
| system = [[Monoclinic]] (2/m) <br/>Space Group: C 2/m
| twinning = Common on the [310], <br/>less common on the {001}
| cleavage = Perfect on the {001}
| fracture = Micaceous
| tenacity = Brittle to flexible, elastic
| mohs = 2.5–3.0
| luster = Vitreous to pearly
| polish =
| refractive = n<sub>α</sub> = 1.565–1.625 <br/>n<sub>β</sub> = 1.605–1.675 <br/>n<sub>γ</sub> = 1.605–1.675
| opticalprop = Biaxial (-)
| birefringence = δ = 0.03–0.07
| dispersion = r < v (Fe rich); <br/>r > v weak (Mg rich)
| pleochroism = Strong
| fluorescence= None
| absorption =
| streak = White
| gravity = 2.7–3.1
| density = 2.8–3.4
| melt =
| fusibility =
| diagnostic =
| solubility =
| diaphaneity = Transparent to translucent to opaque
| other =
| references =<ref>[http://www.mindat.org/min-677.html Biotite mineral information and data Mindat]</ref><ref>[http://webmineral.com/data/Biotite.shtml Biotite Mineral Data Webmineral]</ref><ref>[http://rruff.geo.arizona.edu/doclib/hom/biotite.pdf Handbook of Mineralogy]</ref>
}}
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