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Aegirine is a
member of the
clinopyroxene group of
inosilicate minerals. It is the
sodium endmember of the
aegirine–augite series. It has the chemical...
- for a
mechanism to make up the "missing"
positive charge. In
jadeite and
aegirine this is
added by the
inclusion of a +3
cation (aluminium and iron(III)...
- (1901–1948) for an
occurrence on
Iwagi Islet, ****an,
where it is
found in an
aegirine syenite intrusive stock. It is
found in a
similar environment at Mont Saint-Hilaire...
- of the mineral. The
black spots on some
specimens are
either augite or
aegirine, the
latter occurring in
almost all
charoites since they
commonly grow...
- Rim group,
dated to 274,000–170,000
years ago
Phonolite lava
flows with
aegirine phenocrysts, of the
Inner Crater group,
which represents the last volcanic...
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Crystals of serandite, natrolite, analcime, and
aegirine from Mont Saint-Hilaire, Quebec, Canada...
- The
clinopyroxene is
sodic whose composition varies from
hedenbergite to
aegirine-augite. This
mineral eventually presents resorption shape. The reaction...
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Actinolite A****inite
Adamite Adamsite-(Y)
Adelite Admontite Adranosite Aegirine Aegirine-augite
Aenigmatite Aerinite Aerugite Aeschynite-(Ce) Aeschynite-(Nd)...
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material in general. ****ociate
minerals include: microcline, nepheline,
aegirine, lamprophyllite, lorenzenite, catapleiite, murmanite, arfvedsonite, sodalite...
-
characteristic dark
color comes from its
concentration of dark
pyroxenes such as
aegirine and augite.
Blairmorite is an analcite-rich
variety of phonolite. Nepheline...
