sengierite
Sign in to saveSengierite is a rare oxide and hydroxide mineral, chemically a copper and uranyl vanadate, belonging to the carnotite group. Its chemical formula is Cu2(OH)2[UO2VO4]2·6H2O.
Wikidata facts
- Image
- Sengierite-497485.jpg
Show 6 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 4.HB.10
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 4.HB.10
- Commons category
- Sengierite
- IMA Mineral Symbol
- Sgi
- chemical formula
- Cu₂(UO₂)₂(VO₄)₂(OH)₂·6H₂O
- Strunz 8th edition (series ID, updated)
- VII/D.23
via Wikidata · CC0
~2 min read
Article
2 sectionsContents
- References
- Bibliography
{{infobox mineral | name = Sengierite | category = Oxide and Hydroxide | image = Sengierite-497485.jpg | formula = Cu2(OH)2[UO2VO4]2·6H2O | IMAsymbol = Sgi | symmetry = Monoclinic 2/m | color = Olive-green, yellowish green | habit = Flattened thin plates, coatings | system = Monoclinic | cleavage = Perfect on {001} | tenacity = Brittle | mohs = 2.5 | luster = Adamantine, vitreous | streak = Light green | diaphaneity = Transparent | gravity = 4.05 | density = 4.05 g/cm3 (measured)4.1 g/cm3 (calculated) | refractive = nα = 1.760 – 1.770 nβ = 1.920 – 1.940 nγ = 1.940 – 1.970 | pleochroism = X: Bluish green, Y: Olive-green, Z: Yellowish green to colorless | 2V = Measured: 37° to 39°, Calculated: 36° | other = 25px Radioactive }}
Sengierite is a rare oxide and hydroxide mineral, chemically a copper and uranyl vanadate, belonging to the carnotite group. Its chemical formula is Cu2(OH)2[UO2VO4]2·6H2O.