| 词条 | Ottrelite |
| 释义 |
| name = Ottrelite | boxwidth = | boxbgcolor = | image = Ottrelite-41820.jpg | imagesize = | alt = | caption = Ottrelite | category = Nesosilicate | formula = (Mn,Fe,Mg)2Al4Si2O10(OH)4 | strunz = 09.AF.85 | symmetry = | unit cell = | molweight = 490.11 | colour = | color = Pistachio green | habit = Granular | system = | twinning = Polysynthetic, {001} | cleavage = {001} perfect; {110} likely | fracture = | tenacity = | mohs = 6-7 | luster = Vitreous to nearly adamantine on cleavages | streak = Greenish, grayish | diaphaneity = Translucent | gravity = 3.50 | density = 3.52 | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = r > v, strong | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = [1][2][3] }} Ottrelite is a form of chloritoid. Its empirical formula is (Mn,Fe,Mg)2Al4Si2O10(OH)4. See also{{Portal|Earth sciences}}
References1. ^Ottrelite: mindat.org {{Refbegin}}{{Refend}}2. ^Ottrelite: webmineral.com 3. ^Handbook of Mineralogy External links{{Commons category-inline|Ottrélite}}{{Manganese minerals}}{{Silicate-mineral-stub}} 5 : Manganese minerals|Iron minerals|Magnesium minerals|Aluminium minerals|Nesosilicates |
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