Navajoite

  
Very fine dark brown to reddish brown acicular crystals in tufts across matrix. Crystals are probably less than 0.1 mm
Origin: Pandora mine, Near La Sal, San Juan Co., Utah, United States
Sample size: 4 x 2.5 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Monument Mines, Monument Valley, Navajo Indian Reservation, Apache County, Arizona, U.S.A (type locality)
Ex. Les and Paula Presmyk collection
Sample size: 7.2 x 6.4 x 4.0 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra