bakerite
Sign in to saveBakerite is the common name given to hydrated calcium boro-silicate hydroxide, a borosilicate mineral (chemical formula Ca4B4(BO4)(SiO4)3(OH)3·(H2O)) that occurs in volcanic rocks in the Baker, California area. Discredited mineral: IMA2016-A.
Key facts
- Mineral.name
- Bakerite
- Mineral.image
- Bakerite.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Bakerite sample
- Mineral.category
- Nesosilicate
- Mineral.formula
- Ca4B4(BO4)(SiO4)3(OH)3·H2O
- Mineral.strunz
- 9.AJ.20
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/c
- Mineral.unit cell
- a = 4.85 Å, b = 7.627 Å, c = 9.659 Å; β = 90.255°; Z = 1
- Mineral.color
- Colorless, white
- Mineral.luster
- Vitreous, dull
- Mineral.diaphaneity
- Translucent
- Mineral.gravity
- 2.88
- Mineral.opticalprop
- Biaxial (-)
- Mineral.refractive
- nα = 1.624 nβ = 1.635 nγ = 1.654
- Mineral.birefringence
- δ = 0.030
via Wikipedia infobox
Wikidata facts
- Image
- Bakerite.jpg
Show 5 more facts
- Commons category
- Bakerite
- Nickel-Strunz 9th edition (updated 2009)
- 9.AJ.20
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AJ.20
- Mohs' hardness
- 4.5
- Strunz 8th edition (series ID, updated)
- VIII/A’.12
Sources (3)
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Bakerite is the common name given to hydrated calcium boro-silicate hydroxide, a borosilicate mineral (chemical formula Ca4B4(BO4)(SiO4)3(OH)3·(H2O)) that occurs in volcanic rocks in the Baker, California area. Discredited mineral: IMA2016-A.
It was first described in 1903 for an occurrence in the Corkscrew Canyon Mine of the Black Mountains, Furnace Creek District, Death Valley National Park, Inyo County, California, US. It was named for Richard C. Baker, a director of the Pacific Coast Borax Company.