Blairmorite
A rock subtype
This page is currently not sponsored. Click here to sponsor this page.
A leucocratic variety of analcimite with phenocrysts of analcime in a groundmass of analcime and aegirine-augite with minor nepheline, sanidine and melanite garnet.
Unique Identifiers
Mindat ID:
51068
Long-form identifier:
mindat:1:1:51068:2
Classification of Blairmorite

Analcimite appears in field 15c in the QAPF diagram.

Analcimite is found in field F in the TAS diagram.
Mineralogy of Blairmorite
Essential minerals - these are minerals that are required within the classification of this rock:
| Analcime | Na(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 > Sanidine | K(AlSi3O8) |
| Feldspathoid > Nepheline | Na3K(Al4Si4O16) |
| Melanite | Ca3Fe3+2(SiO4)3 |
Internet Links for Blairmorite
mindat.org URL:
https://www.mindat.org/min-51068.html
Please feel free to link to this page.
Please feel free to link to this page.