
Globular boggsite aggregates from the type locality in Globe, Oregon (Neer Road, Goble, Columbia County, Oregon, United States of America). Associated mineral is tschermichite. — Photo: David Hospital · CC BY-SA 4.0
Boggsite
Boggsite is an IMA-recognized mineral species in the silicate class, with the chemical formula Na₃Ca₈(Si₇₇Al₁₉)O₁₉₂·70H₂O.
It crystallizes in the orthorhombic crystal system (space group Imma).
Key properties: Mohs hardness 3.5; specific gravity 1.998; White streak; Vitreous to dull luster; optically biaxial.
IMA symbol Bgs, IMA status: approved, named in 1989.
Found in vesicles in one of a series of porphyritic basalt flows intercalated with pyroclastics and minor sediments.
It is found associated with Mordenite, tschernichite, zeolites, apophyllite, calcite, aragonite, \opal.".
The name commemorates Robert Maxwell Boggs (1918{), of Seattle, Washington, USA, and his son, Dr. Russell Calvin Boggs (1952{), of Cheney, Washington, USA, mineral collectors.