|Mineral class||Silicates : Tekto silicates : Zeolites|
|Habitus||As thin needlelike crystals in diverging or radiating groups, also as global, concentric shells, thready, derb, thick or mealy.|
|Color||Usually white to colorless, but nuances in yellow and pink.|
|Luster||glas to pearly, silky on fibrous variants.|
|Occurance||Usually found in cavities in volcanic rocks, but also as a transformation product of nefeline and plagioklase.|
|Associates||Other zeolites, calcite.|
|Similar minerals||Mesolite, scolesite.|
|Notes||Soluble in strong acids. Yellow staining of a flame.|
|Locations|| A rare mineral in Sweden. |
| To silicate index.
|| Mineral group index.
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