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Silicate

Boggsite

Na₃Ca₈(Si₇₇Al₁₉)O₁₉₂·70H₂O
Hardness3.5
Crystal systemOrthorhombic
ClassSilicate
Boggsite specimen

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.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more B minerals or help write this entry.