පයිරයිට්
Appearance
පයිරයිට් | |
---|---|
General | |
Category | සල්ෆයිඩ් ඛණිජ |
රසායනික සූත්රය | FeS2 |
Strunz classification | 2.EB.05a |
Dana classification | 2.12.1.1 |
Crystal symmetry | Pa3 |
Unit cell | a = 5.417 Å, Z = 4 |
Identification | |
අණුක ස්කන්ධය | 119.98 g/mol |
පාට / පැහැය | Pale brass-yellow reflective; tarnishes darker and iridescent |
Crystal habit | Cubic, faces may be striated, but also frequently octahedral and pyritohedral. Often inter-grown, massive, radiated, granular, globular, and stalactitic. |
Crystal system | Cubic |
Twinning | Penetration and contact twinning |
Cleavage | Indistinct on {001}; partings on {011} and {111} |
Fracture | Very uneven, sometimes conchoidal |
Tenacity | භංගුර |
Mohs scale hardness | 6–6.5 |
Luster | Metallic, glistening |
Streak | Greenish-black to brownish-black |
Diaphaneity | Opaque |
Specific gravity | 4.95–5.10 |
ඝනත්වයy | 4.8–5 g/cm3 |
Fusibility | 2.5–3 to a magnetic globule |
Solubility | Insoluble in water |
Other characteristics | paramagnetic |
References | [1][2][3][4] |
පයිරයිට් (ඉංග්රීසි: iron pyrite, pyrite, fool's gold, /ˈpaɪraɪt/),[5] ඛණිජය, යනු යකඩ සල්ෆයිඩයකි. මෙහි රසායනික සූත්රය FeS2 (iron (II) disulfide) වේ. පයිරයිට් වඩාත්ම සුලබ සල්ෆයිඩ ඛණිජය වේ.[6]
ආශ්රිත
[සංස්කරණය]මූලාශ්ර
[සංස්කරණය]- ^ Hurlbut, Cornelius S.; Klein, Cornelis (1985). Manual of Mineralogy (20th ed.). New York, NY: John Wiley and Sons. pp. 285–286. ISBN 978-0-471-80580-9.
- ^ "Pyrite". Webmineral.com. සම්ප්රවේශය 2011-05-25.
- ^ "Pyrite". Mindat.org. සම්ප්රවේශය 2011-05-25.
- ^ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., eds. (1990). "Pyrite" (PDF). Handbook of Mineralogy. Vol. I (Elements, Sulfides, Sulfosalts). Chantilly, Virginia, US: Mineralogical Society of America. ISBN 978-0962209734.
- ^ "Pyrite | meaning in the Cambridge English Dictionary". dictionary.cambridge.org.
- ^ Vernon J. Hurst; Thomas J. Crawford (1970). Sulfide Deposits in the Coosa Valley Area, Georgia. Economic Development Administration, Technical Assistance Project, U. S. Department of Commerce. p. 137.
භාහිර සබැඳි
[සංස්කරණය]පයිරයිට් හා සබැඳි මාධ්ය විකිමාධ්ය කොමන්ස් හි ඇත.
- Educational article about the famous pyrite crystals from the Navajun Mine
- How Minerals Form and Change "Pyrite oxidation under room conditions".
- Poliakoff, Martyn (2009). "Fool's Gold". The Periodic Table of Videos. University of Nottingham.