File:Celestine_-_Sakoany_deposit,_Katsepy,_Mitsinjo,_Boeny,_Madagascar.jpg · Wikimedia Commons · See Wikimedia Commons
Key facts
- Category
- Sulfate minerals
- Formula
- Sr S O 4 sometimes contains minor calcium and/or barium
- Ima symbol
- Clt
- Strunz classification
- 7.AD.35
- Crystal system
- Orthorhombic
- Crystal class
- Dipyramidal (mmm) , H-M symbol : (2/m 2/m 2/m)
- Space group
- Pnma
- Unit cell
- a = 8.359 Å , b = 5.352 Å, c = 6.866 Å; Z = 4
- Color
- White, pink, pale green, pale brown, black, pale blue, reddish, greyish; colourless or lightly tinted in transmitted light
- Crystal habit
- Tabular to pyramidal crystals, also fibrous, lamellar, earthy, massive granular
- Cleavage
- Perfect on {001}, good on {210}, poor on {010}
- Fracture
- Uneven
- Tenacity
- Brittle
- Mohs scale hardness
- 3.0–3.5
- Luster
- Vitreous, pearly on cleavages
- Streak
- white
- Diaphaneity
- Transparent to translucent
- Specific gravity
- 3.95–3.97
via Wikipedia infobox
Wikidata facts
- Subclass of
- sulfate mineral
- Has part
- sulfur
- Named after
- sky
- Image
- Celestine - Sakoany deposit, Katsepy, Mitsinjo, Boeny, Madagascar.jpg
Show 11 more facts
- Mohs' hardness
- 3.25
- Commons category
- Celestine
- chemical formula
- SrSO₄
- Nickel-Strunz 9th edition (updated 2009)
- 7.AD.35
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 7.AD.35
- crystal system
- orthorhombic crystal system
- described by source
- Encyclopædia Britannica 11th edition
- type locality (geology)
- Bellwood
- streak color
- white
- IMA Mineral Symbol
- Clt
- Strunz 8th edition (series ID, updated)
- VI/A.08
Sources (2)
via Wikidata · CC0
Article · Italiano
La celestina (o celestite) è un minerale costituito essenzialmente da solfato di stronzio (SrSO4), rombico bipiramidale, appartenente al gruppo omonimo. Ha durezza 3-3,5 nella scala Mohs e densità 3,9 g/cm3. È un importante minerale dello stronzio.
Abstract from DBpedia / Wikipedia · CC BY-SA