arfvedsonite


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arfvedsonite

[′är·vəd·sə‚nīt]
(mineralogy)
A black monoclinic amphibole, containing sodium and silicon trioxide with occluded water and some calcium. Also known as soda hornblende.
References in periodicals archive ?
The northern rim of the granite massif consisting of biotite granite to granodiorite could be perhaps interpreted as a manifestation of some marks of zoned structure; this arrangement is reverse in comparison with ring complexes in Saudi Arabia where Harris (1985) reported a biotite granodiorite core and arfvedsonite granite rim.
Abbreviations: Fe-EC = ferro-eckermannite Fe-ED = ferro-edenite KAT = katophorite, ARF = arfvedsonite, RIEB = riebeckite, Mg-HB = magnesian hornblende.
Arfvedsonite is a typical mineral of the eudialyte-aegirine-microcline zone.
Both species were found in the upper part of the Palitra pegmatite body, associated with nepheline, eudialyte, lorenzenite, arfvedsonite, aegirine and villiaumite.
It is closely associated with aegirine, arfvedsonite, lorenzenite, microcline, nepheline, villiaumite, etc.
Associated minerals are: aegirine, microcline, lorenzenite, nepheline, lamprophyllite, murmanite and arfvedsonite.
Associated minerals are: aegirine, arfvedsonite, eudialyte, potassic feldspar, sodalite, albite, carbonate-fluorapatite, lueshite, natrolite, and tuperssuatsiaite.
1) Associated with natrolite, microcline, albite, aegirine, nepheline, arfvedsonite, sodalite, eudialyte, lorenzenite and others.
Arfvedsonite, [Mathematical Expression Omitted], mon.
forms a series with Arfvedsonite, Amphibole group, Can.
Analcime Arfvedsonite Astrophyllite Calciohilairite Catapleiite Chabazite Chlorite grp.
It is the rare amphibole species arfvedsonite, in glistening black crystals to 2 cm, sometimes prismatic (resembling the well-known aegirine from the same place) and sometimes blocky.