Piroksen: Perbedaan antara revisi

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Revisi terkini sejak 4 Maret 2021 07.52

Piroksen adalah sebuah kelompok mineral inosilikat yang banyak ditemukan pada batuan beku dan batuan metamorf. Strukturnya terdiri dari rantai tunggal silika tetrahedral dan mengkristal monoklinik dan ortorombik. Piroksen mempunyai rumus kimia umum XY(Si,Al)₂O₆ (X adalah kalsium, natrium, besi⁺², magnesium dan sedikit seng, mangan, dan litium. Sedangkan Y adalah ion kromium, aluminium, besi⁺³, magnesium, mangan, skandium, titanium, vanadium dan besi⁺²).

C.Michael Hogan. 2010. Calcium. eds. A.Jorgensen, C.Cleveland. Encyclopedia of Earth. National Council for Science and the Environment.
N.Morimoto, J. Fabries, A.K.Ferguson, I.V.Ginzburg, M.Ross, F.A.Seifeit and J.Zussman. 1989. "Nomenclature of pyroxenes" Canadian Mineralogist Vol.27 pp143–156 http://www.mineralogicalassociation.ca/doc/abstracts/ima98/ima98(12).pdf Diarsipkan 2008-03-09 di Wayback Machine.

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 {{reflist}}
 * C.Michael Hogan. 2010. [http://www.eoearth.org/article/Calcium?topic=49557 ''Calcium''. eds. A.Jorgensen, C.Cleveland. Encyclopedia of Earth]. National Council for Science and the Environment.
-* N.Morimoto, J. Fabries, A.K.Ferguson, I.V.Ginzburg, M.Ross, F.A.Seifeit and J.Zussman. 1989. "Nomenclature of pyroxenes" Canadian Mineralogist Vol.27 pp143–156 http://www.mineralogicalassociation.ca/doc/abstracts/ima98/ima98(12).pdf
+* N.Morimoto, J. Fabries, A.K.Ferguson, I.V.Ginzburg, M.Ross, F.A.Seifeit and J.Zussman. 1989. "Nomenclature of pyroxenes" Canadian Mineralogist Vol.27 pp143–156 http://www.mineralogicalassociation.ca/doc/abstracts/ima98/ima98(12).pdf {{Webarchive|url=https://web.archive.org/web/20080309160117/http://www.mineralogicalassociation.ca/doc/abstracts/ima98/ima98(12).pdf |date=2008-03-09 }}
 == Pranala luar ==
-* [http://mineral.galleries.com/minerals/silicate/pyroxene.htm Mineral Galleries]
+* [http://mineral.galleries.com/minerals/silicate/pyroxene.htm Mineral Galleries] {{Webarchive|url=https://web.archive.org/web/20080212014138/http://mineral.galleries.com/minerals/silicate/pyroxene.htm |date=2008-02-12 }}
 [[Kategori:Inosilikat]]