MINERALOGY. The most beautiful specimens from all over the world, from pyrite to rubies, a little bit about their name and common location, general narrative about Mineralogy from Mexican Geologist | Mineralogist Oscar Garcia Shelly.
Beryl var. Esmerald from the Muzo Mine, Mun. de Muzo, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.
Measures 6.5 cm by 9 cm by 7 cm in total size.
Saturday, October 27, 2012
Oranges? no, Cacoxenite, as seen through a microscope 18x
From the Greek κακός for
"bad" and ξένος for "guest" due to the fact that the
phosphorous content of cacoxenite lessens the quality of iron smelted from
ore containing it.
crudely hexagonal, acicular , with a hexagonal cross section at times
and indistinct pyramidal faces. Commonly in compact, concentric, spherical to
radial aggregates. In bundles, randomly fibrous; as coatings or inter-granular