Offretite

KCaMg(Si₁₃Al₅)O₃₆·15H₂O

Zeolite mineral

Properties

Chemical formula
KCaMg(Si₁₃Al₅)O₃₆·15H₂O
Group
Oxides
Crystal system
Hexagonal
Hardness (Mohs)
Color
Luster
Streak
Density
Cleavage
Fracture
Tenacity
Crystal habit
Transparency
Space group
Fluorescence
Magnetism
Radioactivity
Refractive index
Optical character
Birefringence
Pleochroism
Strunz classification
9.GD.25
Dana classification
IMA status
Approved mineral and/or valid name (A)
IMA symbol
Off
Locality
Type locality
Discovery year

Etymology

Named after Albert Offret

Source: Wikidata

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