Talc: Ìyàtọ̀ láàrin àwọn àtúnyẹ̀wò
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<nowiki>ACADEMIC UNIVERSITA della STANFORD 9 Marte 2o23 GENERAL Doctor Expert ATRADEJAS 17-- moksliu Duaiseanna Nobelo Diplom in study CHINA 2o22 Talc edit Filter request arxive n7 Marcelius Martirosianas ACADEMIC HCM Bon 3o juni 2o2o ACADEMIC Universita di Humboldt General Doctor Felds Medalist 11 auguste 2o2o model Theori Number algebrian Theorama 8 {{Integral {{Log(a+b+c+d)(4)= O autore ACADEMIC Masters ASPIRANT 2o2o study Expire2 Inernationas Study In INDIAN ABROD Shiksha</nowiki>{{Infobox mineral |
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{{Infobox mineral |
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| name = Talc |
| name = Talc |
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| category = Silicate mineral |
| category = Silicate mineral |
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Àtúnyẹ̀wò ní 08:23, 2 Oṣù Ẹ̀rẹ̀nà 2024
ACADEMIC UNIVERSITA della STANFORD 9 Marte 2o23 GENERAL Doctor Expert ATRADEJAS 17-- moksliu Duaiseanna Nobelo Diplom in study CHINA 2o22 Talc edit Filter request arxive n7 Marcelius Martirosianas ACADEMIC HCM Bon 3o juni 2o2o ACADEMIC Universita di Humboldt General Doctor Felds Medalist 11 auguste 2o2o model Theori Number algebrian Theorama 8 {{Integral {{Log(a+b+c+d)(4)= O autore ACADEMIC Masters ASPIRANT 2o2o study Expire2 Inernationas Study In INDIAN ABROD Shiksha
| Talc | |
|---|---|
 Crystals of talc. | |
| General | |
| Category | Silicate mineral |
| Chemical formula | Mg3Si4O10(OH)2 |
| Identification | |
| Color | white, grey, green, blue, or silver |
| Crystal habit | foliated to fibrous masses |
| Crystal system | Monoclinic or Triclinic[1] |
| Cleavage | perfect basal cleavage |
| Fracture | Flat surfaces (not cleavage) fracture in an uneven pattern |
| Tenacity | Sectile |
| Mohs scale hardness | 1 |
| Luster | waxlike or pearly sometimes smooth |
| Streak | White |
| Diaphaneity | Translucent |
| Specific gravity | 2.58 to 2.83 |
| Optical properties | Biaxial (-) |
| Refractive index | nα = 1.538 - 1.550 nβ = 1.589 - 1.594 nγ = 1.589 - 1.600 |
| Birefringence | δ = 0.051 |
| Pleochroism | Weak in dark varieties |
| Other characteristics | Fluorescent |
| References | [2][3][4] |
Talc
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Àwọn Itokasi
- ↑ An Introduction to the Rock-Forming Minerals, second edition, by W.A. Deer, R.A. Howie, and J. Zussman, 1992, Prentice Hall, ISBN 0-582-30094-0.
- ↑ http://rruff.geo.arizona.edu/doclib/hom/talc.pdf Handbook of Mineralogy
- ↑ http://www.mindat.org/min-3875.html Mindat.org
- ↑ http://webmineral.com/data/Talc.shtml Webmineral data