barrerite

Also known as IMA1974-017

Barrerite is a tectosilicate mineral and a member of the zeolite family. It is one of the rarer zeolites. It was named for Richard Barrer, a New Zealand-born chemist.

Key facts

Mineral.name: Barrerite
Mineral.category: Tectosilicate minerals
Mineral.group: Zeolite group, stilbite subgroup
Mineral.image: Barrerite-27538.jpg
Mineral.imagesize: 260px
Mineral.caption: Barrerite from Kuiu Island, Alaska, USA.
Mineral.IMAsymbol: Bre
Mineral.strunz: 9.GE.15
Mineral.color: White, pink
Mineral.system: Orthorhombic
Mineral.class: Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Mineral.symmetry: Amma
Mineral.cleavage: Perfect
Mineral.mohs: 3 - 4
Mineral.luster: Vitreous-glassy
Mineral.diaphaneity: Transparent to translucent
Mineral.streak: White
Mineral.refractive: nα = 1.479 nβ = 1.485 nγ = 1.489

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Wikidata facts

Image: Barrerite-27538.jpg

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Commons category: Barrerite
Nickel-Strunz 9th edition (updated 2009): 9.GE.15
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.GE.15
IMA Mineral Symbol: Bre
chemical formula: Na₂(Si₇Al₂)O₁₈·6H₂O

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Barrerite is a tectosilicate mineral and a member of the zeolite family. It is one of the rarer zeolites. It was named for Richard Barrer, a New Zealand-born chemist.

Barrerite crystal are white to pinkish, with a vitreous-glassy luster. The crystal system is orthorhombic and is flat and tabular in appearance. It has a Mohs hardness of 3 to 4 and its cleavage is perfect. Barrerite has a white streak and a density of 2.13.