General Information:
Chemical Formula:Ca12Mn4B2Be18Si12O46(OH,Cl)30 [Ortho·]
Composition:(Molecular Weight = 2,523.08 gm)Calcium 19.06 %
CaManganese 8.71 %
MnBeryllium 6.43 %
BeSilicon 13.36 %
SiBoron 0.86 %
B Hydrogen 1.08 %
H Chlorine 4.22 %
ClOxygen 46.29 %
O Empirical Formula: Ca12Mn2+4B2Be18Si12O46(OH)27Cl3
Environment:Found in a museum specimen of willemite.
IMA Status:Approved IMA
Locality:Franklin mine, Franklin, Sussex County, New Jersey, USA.
Name Origin:Named from the Lenni Lenape Native American word "wawayanda," many or several winding, in allusion to the grossly curved and winding habit of its crystals.
Physical Properties: Cleavage:[100] Perfect
Color:colorless or white.
Density:3
Diaphaniety:Transparent
Habits:Platy - Sheet forms (e.g. micas)., ,
Hardness:1 - Talc
Luster:Pearly
Streak:white
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