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  اشعاعی تنزل,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.