| 词条 | Yttriaite-(Y) |
| 释义 |
| name = Yttriaite-(Y) | boxwidth = | boxbgcolor = | image = | imagesize = | alt = | caption = | category = Oxide minerals | formula = Y2O3 | molweight = | strunz = | system = Isometric | unit cell = a = 10.6018 Å; Z = 16 | color = White | colour = | habit = | twinning = | cleavage = Distinct - good | fracture = Conchoidal | tenacity = | mohs = 5 - 6 | luster = Adamantine | streak = White | diaphaneity = | gravity = 5.073 | density = | polish = | opticalprop = | refractive = n = 1.931 | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = [1] }}Yttriaite-(Y) is an exceedingly rare mineral, a natural form of yttrium oxide, Y2O3.[2][1] In terms of chemistry it is yttrium-analogue of kangite, arsenolite, avicennite and senarmontite (isometric minerals).[3][4][5][6] Other minerals with the general formula A2O3 include corundum, bismite, bixbyite, eskolaite, hematite, karelianite, sphaerobismoite, tistarite, and valentinite.[7] Yttriaite-(Y) forms tiny inclusions in native tungsten.[2] References1. ^1 Mindat {{oxide-mineral-stub}}2. ^1 Mills, S.J., Kartashov, P.M., Ma, C., Rossman, G.R., Novgorodova, M.I., Kampf, A.R., and Raudsepp, M., 2011: Yttriaite-(Y): The natural occurrence of Y2O3 from the Bol’shaya Pol’ya River, Subpolar Urals, Russia. American Mineralogist 96(7), 1166-1170 3. ^Mindat, Kangite, http://www.mindat.org/min-42879.html 4. ^Mindat, Arsenolite, http://www.mindat.org/min-294.html 5. ^Mindat, Avicennite, http://www.mindat.org/min-437.html 6. ^Mindat, Senarmontite, http://www.mindat.org/min-3618.html 7. ^Mindat, Tistarite, http://www.mindat.org/min-38695.html 3 : Oxide minerals|Yttrium minerals|Cubic minerals |
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