barrerite
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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.
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
via Wikipedia infobox
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Encyclopedic overview
1 sectionsContents
- References
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.
Excerpted from Wikipedia’s “barrerite” article, available under the CC BY-SA 4.0 licence.