Wawayandaite
Wawayandaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₆Be₉Mn²⁺₂BSi₆O₂₃(OH,Cl)₁₅.
It crystallizes in the orthorhombic crystal system.
Key properties: Mohs hardness 1; specific gravity 3; White streak; Pearly to dull luster; optically biaxial.
IMA symbol Waw, IMA status: approved, named in 1988.
A late-stage vein mineral on willemite-franklinite ore in a metamorphosed stratiform zinc deposit.
It is found associated with Willemite, friedelite, andradite, hodgkinsonite, cahnite, calcite.
The name comes from wawayanda, meaning many or several windings in the language of the Lenni Lenape Indians, early inhabitants of the Franklin area.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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