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Esperite
Type Locality
Parker Mine (Parker shaft), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Mineral Data
PbCa
2
Zn
3
(SiO
4
)
3
Strunz:
9.AB.15
Physical Properties
Streak:
White.
Hardness:
5.0
Tenacity:
brittle
