Yugawaralite

Yugawaraite
General
CategoryTectosilicate minerals, zeolite group
FormulaCaAl2Si6O16 · 4H2O
Crystal systemMonoclinic
Identification
ColorColorless, pink, or white
CleavagePoor, indistinct
TenacityVery brittle
Mohs scale hardness4.5-5
LusterVitreous, pearly
StreakWhite
References

Yugawaralite is a clear or pinkish mineral of the zeolite group. It was first described by Sakurai and Hayashi (1952) near a waterfall by some hot springs near Yugawara.

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