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Natural heritage
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Adrian Smith Mineral Collection
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Minerals, gems and meteorites
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403-444 Zeolites
/
Crystaline
440. Gyrolite. Crystaline
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Dana number
73.2.2c.1
Chemical formula
NaCa
16
Si
23
AlO
60
(OH)
8
.14H
2
O
Crystal class
Triclinic
Mohs hardness
3 to 4
Specific gravity
2.36-2.45
Collected in
Bombay, India
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