زرقون
زرقون | |
---|---|
![]() Aegirine, zircon and orthoclase from Mt Malosa, Malawi. Gallery of Mineralogy and Geology of the French National Museum of Natural History in Paris. | |
General | |
Category | Nesosilicates |
Formula (repeating unit) | zirconium silicate (ZrSiO4) |
Strunz classification | 9.AD.30 |
Crystal system | Tetragonal |
Crystal class | Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) |
Space group | I41/amd (No. 141) |
Unit cell | a = 6.607(1), c = 5.982(1) [Å]; Z = 4 |
Identification | |
Color | Reddish brown, yellow, green, blue, gray, colorless; in thin section, colorless to pale brown |
Crystal habit | tabular to prismatic crystals, irregular grains, massive |
Twinning | On {101}. Crystals shocked by meteorite impact show polysynthetic twins on {112} |
Cleavage | {110} and {111} |
Fracture | Conchoidal to uneven |
Tenacity | Brittle |
Mohs scale hardness | 7.5 |
Luster | Vitreous to adamantine; greasy when metamict. |
Streak | White |
Diaphaneity | Transparent to opaque |
Specific gravity | 4.6–4.7 |
Optical properties | Uniaxial (+) |
Refractive index | nω = 1.925–1.961 nε = 1.980–2.015, 1.75 when metamict |
Birefringence | δ = 0.047–0.055 |
Pleochroism | Weak |
Fusibility | close to 2,550 °C depend on Hf,Th,U,H,etc... concentrations. |
Solubility | Insoluble |
Other characteristics | فلورسینس and ![]() May form pleochroic halos, Relief: high |
References | [1][2][3][4][5] |
زرقون ایک معدنی شے اور ائک قسم کا پتّھر ہے۔ زرقون دھاتی زرصر کا ایک ذریعہ ہے۔
تصاویر[ترمیم]
حوالہ جات[ترمیم]
- ↑ Anthony، John W.؛ Bideaux، Richard A.؛ Bladh، Kenneth W.؛ Nichols، Monte C.، ویکی نویس (1995). "Zircon" (PDF). Handbook of Mineralogy. II (Silica, Silicates). Chantilly, VA, US: Mineralogical Society of America. ISBN 978-0962209710.
- ↑ "Zircon: Mineral information, data and localities". Mindat.org. اخذ شدہ بتاریخ October 19, 2021.
- ↑ "Zircon Mineral Data". Webmineral. اخذ شدہ بتاریخ October 19, 2021.
- ↑ Hurlbut، Cornelius S.؛ Klein، Cornelis (1985). Manual of Mineralogy (ایڈیشن 20th). ISBN 0-471-80580-7.
- ↑ Erickson، Timmons M.؛ Cavosie، Aaron J.؛ Moser، Desmond E.؛ وغیرہ (2013). Abstract. "Correlating planar microstructures in shocked zircon from the Vredefort Dome at multiple scales: Crystallographic modeling, external and internal imaging, and EBSD structural analysis" (PDF). American Mineralogist. Volume 98: 53–65. doi:10.2138/am.2013.4165.