Hyttsjöite

Formula:  Pb₁₈Ba₂Ca₅Mn₂Si₃₀O₉₀Cl ^. 6H₂O

Origin of name:  After locality; Hyttsjön Lake, Varmland, Sweden

Crystal system:  Hexagonal

Crystal class:  -3

Twinning: 

Unit cell: 

Colour:  Colourless

Diaphaneity:  Transparent

Luster:  Adamantine

Habit:  As grains 0.1-0.6 mm across

Hardness: 

Specific gravity:  5.10 (calculated)

Cleavage:  1; {001} good

Tenacity: 

Streak: 

Synonyms/varieties:

Comments:  Physical data is from thin section