ダトー石
Sign in to saveDatolite is a calcium boron hydroxide nesosilicate, CaBSiO4(OH). It was first observed by Jens Esmark in 1806, and named by him from δατεῖσθαι, "to divide," and λίθος, "stone," in allusion to the granular structure of the massive mineral.
Key facts
- Mineral.name
- Datolite
- Mineral.category
- Nesosilicate
- Mineral.image
- Datolite-rom25c.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Datolite on sphalerite from San Luis Potosí, Mexico (size: 6.2 x 5.3 x 2.8 cm)
- Mineral.formula
- CaBSiO4(OH)
- Mineral.IMAsymbol
- Dat
- 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 = 9.62, b = 7.6 c = 4.84 [Å]; β = 90.15°; Z = 4
- Mineral.color
- Colorless or white; may be grayish, yellow, green, pale green, red, pink, etc.
- Mineral.habit
- Crystal prismatic, short to tabular; Botryoidal or globular with columnar structure; granular to compact; cryptocrystalline
- Mineral.cleavage
- None
- Mineral.fracture
- Conchoidal to uneven
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 5 to 5.5
via Wikipedia infobox
Wikidata facts
- Subclass of
- cyclosilicates
- Named after
- separation
- Image
- Datolite-1116-02f.jpg
Show 9 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 9.AJ.20
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AJ.20
- Commons category
- Datolite
- type locality (geology)
- Arendal
- crystal system
- monoclinic crystal system
- described by source
- Mala hirnycha encyclopædia
- IMA Mineral Symbol
- Dat
- chemical formula
- CaB(SiO₄)(OH)
- Strunz 8th edition (series ID, updated)
- VIII/A’.12
Sources (1)
via Wikidata · CC0
Gallery (2)
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