لدلاميت
Sign in to saveLudlamite is a rare phosphate mineral with chemical formula . It was first described in 1877 for an occurrence in Wheal Jane mine in Cornwall, England and named for English mineralogist Henry Ludlam (1824–1880).
Key facts
- Mineral.name
- Ludlamite
- Mineral.image
- Ludlamite-md87a.jpg
- Mineral.imagesize
- 200px
- Mineral.category
- Phosphate mineral
- Mineral.IMAsymbol
- Lud
- Mineral.strunz
- 8.CD.20
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/a
- Mineral.unit cell
- a = 10.541(5), b = 4.646(4) c = 9.324(5) [Å]; β = 100.52°; Z = 2
- Mineral.color
- Apple-green to bright green
- Mineral.habit
- Tabular crystals; massive, granular
- Mineral.cleavage
- Cleavage: perfect on {001}, indistinct on {100}
- Mineral.mohs
- 3.5
- Mineral.luster
- Vitreous, pearly on cleavage
- Mineral.streak
- Pale greenish white
- Mineral.diaphaneity
- Translucent
- Mineral.gravity
- 3.12–3.19
via Wikipedia infobox
Wikidata facts
- Subclass of
- phosphate mineral
- Image
- Ludlamite-245656.jpg
Show 7 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 8.CD.20
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.CD.20
- Commons category
- Ludlamite
- crystal system
- monoclinic crystal system
- IMA Mineral Symbol
- Lud
- chemical formula
- Fe²⁺₃(PO₄)₂·4H₂O
- Strunz 8th edition (series ID, updated)
- VII/C.07
Sources (1)
via Wikidata · CC0
Article · العربية
اللدلاميت (Ludlamite) هو معدن فوسفات نادر، صيغته الكيميائية (Fe,Mn,Mg)3(PO4)2·4H2O. اكتشفه في أواخر القرن التاسع عشر في كورنوال، إنجلترا.
Abstract from DBpedia / Wikipedia · CC BY-SA