Spodumene (LiAlSi2O6) and petalite (LiAlSi4O10) are two aluminosilicates rich in lithium (Li) that may be found in highly fractionated pegmatites (Černý & Ercit 2005). They are considered important Li sources in the present economy (European Commission 2018). According to the stability diagram from London (1984), these aluminosilicates are stable at different PT conditions: petalite is the high temperature Li-aluminosilicate, whereas spodumene is more stable at higher pressures than petalite. Therefore, the occurrence of these minerals has been used many times as a PT indicator for the formation...
Mutual relationships between spodumene and petalite from the Iberian Massif pegmatites: more than PT changes?
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Filipa Dias, Alexandre Lima, Encarnación Roda-Robles; Mutual relationships between spodumene and petalite from the Iberian Massif pegmatites: more than PT changes?. The Canadian Mineralogist ; 57 (5): 731–732. doi: https://doi.org/10.3749/canmin.AB00006
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