The AL-I Albite is a Feldspar representing the sodium endmember of the Plagioclase solid solution series.
OriginAlbite from Pinzele, Trente, Italy
- High in SiO2 (69 %m/m), Al2O3 (19 %m/m) and Na2O (11 %m/m).
- Very low in Sr (80 µg/g), Ba (85 µg/g).
- Very low in most transition metals, trace metals and REEs (<20 µg/g).
- Its feldspar endmember composition is Ab 97 An 2 Or 0.85 mol-%.
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The chemical composition of minerals, the Earth's building blocks, is of interest for both industry and science.