Lub cev muaj zog ntawm Quartzite
Jan 14, 2026
Mohs hardness: 7.
Qhov ceev: 2.64 g / cm³ - 2.71 g / cm³
Optical yam ntxwv: Anisotropic aggregate.
Refractive index: 1.544 - 1.533, feem ntau 1.54 los ntawm qhov chaw kuaj.
Birefringence: Tsis ntsuas.
Ultraviolet fluorescence: Feem ntau tsis muaj; rau quartzite uas muaj chromium mica: tsis muaj zog, greyish -ntsuab lossis liab.
Absorption spectrum: Tsis yog yam ntxwv; rau quartzite uas muaj chromium mica: tuaj yeem pom cov hlua nqus ntawm 682 nm thiab 649 nm.
Kev kho xim: tuaj yeem dyed hauv ntau xim; Kev tshuaj xyuas microscopic qhia pom kev faib xim ntawm cov nplej. Ntsuab dyed quartzite qhia tau hais tias qhov nqus nqus ntawm 650 nm.
