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Virgilite
Naturally occurring high-temperature solid solution between
beta-quartz
and
spodumene
(LiAlSi
2
O
6
).
History
Activities related to discovery and approval of the group members
Structural context
Virgilite
Crystal System
hexagonal
Crystal Class
hexagonal trapezohedral
Space Group
P6222
a
5.132—5.226 (5.198)
b
5.132—5.226 (5.198)
c
5.454—5.475 (5.463)
alpha
90
beta
90
gamma
120
volume
124.41—129.259 (127.8392)
Based on
5
measurements
Chemical context
Stoichiometric formulas
Virgilite
mindat.org
March 13, 2023
LiAlSi
2
O
6
Ideal formula; real formula is that of a solid-solution series.
IMA
March 13, 2023
LiAlSi
2
O
6
mineralogy.rocks
Aug. 30, 2022
LiAlSi
2
O
6
Elements recorded on EPMA
5
Al
5
Li
5
O
5
Si
1
Fe
1
P
Physical properties
Color
Color entities, recognized using a custom trained NER model
colourless
Color note
Original color note from the source
Colourless
Lustre
Vitreous
Transparency
Transparent
Calculated density
2.46
Virgilite | mineralogy.rocks