الکزیت
Sign in to saveAlso known as TV rock, Television Stone, TV Stone
Ulexite (), sometimes called TV rock or TV stone due to its unusual optical properties, is a hydrous borate hydroxide of sodium and calcium with the chemical formula . The mineral occurs as silky white rounded crystalline masses or in parallel fibers. Ulexite was named for the German chemist Georg Ludwig Ulex (1811–1883), who first discovered it.
Key facts
- Mineral.name
- Ulexite
- Mineral.category
- Nesoborates
- Mineral.boxbgcolor
- a49f8d
- Mineral.image
- Ulexite-Calcite-40062.jpg
- Mineral.imagesize
- 170px
- Mineral.caption
- Ulexite specimen from California
- Mineral.formula
- NaCaB5O6(OH)6·5H2O
- Mineral.IMAsymbol
- Ulx
- Mineral.strunz
- 6.EA.25
- Mineral.dana
- 26.05.11.01
- Mineral.system
- Triclinic
- Mineral.class
- Pinacoidal () (same H–M symbol)
- Mineral.symmetry
- P
- Mineral.unit cell
- a = 8.816(3) Å, b = 12.87 Å c = 6.678(1) Å; α = 90.25° β = 109.12°, γ = 105.1°; Z = 2
- Mineral.color
- Colorless to white
- Mineral.habit
- Acicular to fibrous
- Mineral.twinning
- Polysynthetic on {010} and {100}
- Mineral.cleavage
- Perfect on {010} good on {10} poor on {110}
via Wikipedia infobox
Wikidata facts
- Subclass of
- borate class of minerals
- Image
- Ulexite-39574.jpg
Show 10 more facts
- Commons category
- Ulexite
- Nickel-Strunz 9th edition (updated 2009)
- 6.EA.25
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 6.EA.25
- crystal system
- triclinic crystal system
- type locality (geology)
- Iquique Province
- streak color
- white
- Mohs' hardness
- 2.5
- IMA Mineral Symbol
- Ulx
- chemical formula
- NaCaB₅O₆(OH)₆·5H₂O
- Strunz 8th edition (series ID, updated)
- Vc/B.07
Sources (2)
via Wikidata · CC0