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Blairmorite

A rock subtype
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A leucocratic variety of analcimite with phenocrysts of analcime in a groundmass of analcime and aegirine-augite with minor nepheline, sanidine and melanite garnet.


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Unique IdentifiersHide

Mindat ID:
51068
Long-form identifier:
mindat:1:1:51068:2

Classification of BlairmoriteHide

QAPF_V_15c.png

Analcimite appears in field 15c in the QAPF diagram.

TAS_F.png

Analcimite is found in field F in the TAS diagram.

Mineralogy of BlairmoriteHide

Essential minerals - these are minerals that are required within the classification of this rock:
AnalcimeNa(AlSi2O6) · H2O
Pyroxene > Clinopyroxene > Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Feldspar > Alkali Feldspar > SanidineK(AlSi3O8)
Feldspathoid > NephelineNa3K(Al4Si4O16)
MelaniteCa3Fe3+2(SiO4)3

Internet Links for BlairmoriteHide

References for BlairmoriteHide

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