Vauxite is a phosphate mineral with the chemical formula Fe 2+ Al 2 (P O 4) 2 (OH) 2 ·6(H 2 O). It belongs to the laueite – paravauxite group, paravauxite subgroup, [3] [6] although Mindat puts …

Named in honor of George Vaux, Jr. (18 December 1863, Philadelphia, Pennsylvania, USA - 24 October 1927, Bryn Mawr, Pennsylvania, USA), attorney, photographer, and mineral collector …

Vauxite Sigloite. Comments: Lime green, crystalline aggregate of sigloite on massive, blue vauxite. Location: Llallagua, Potosi Department, Bolivia. Scale: Not Given. © Lou Perloff / …

The meaning of VAUXITE is a mineral FeAl2(PO4)2(OH)2.7H2O consisting of a hydrous basic phosphate of iron and aluminum in triclinic crystals.

Vauxite is an unusual blue-colored iron mineral. As a coloring agent in minerals, iron can produce any color in the rainbow but commonly produces reds, yellows and browns. Especially …

Vauxite is a mineral with formula of Fe 2+ Al 2 (PO 4) 2 (OH) 2 ·6H 2 O. The IMA symbol is Vx.

One of the rarest and most beautiful blue minerals, these only come from one location in such richness and quality; from the type locality of the Siglo Veinte Mine, vauxite is one of the three …

Vauxite is a very rare secondary phosphate known only from two tin quartz veins in Bolivia where it is associated with wavellite and metavauxite. It is derived from the alteration of apatite.

Vauxite is a rare iron-aluminum-phosphate mineral species that only comes of note from Bolivia.

A secondary mineral derived from alteration of apatite. Wavellite, paravauxite (Llallagua, Bolivia); marcasite, wavellite (Huanuni, Bolivia). In Bolivia, from the Siglo XX mine, Llallagua, Potos ́ı, …

Vauxite is a rare and fascinating mineral that captures the interest of geologists and collectors alike. Named after the American geologist George Vaux Jr., this mineral boasts a unique blue …

This is a fine crust of sparkling, dark blue crystals of vauxite. The largest rosette of crystals is 1.0 cm across. Named by Sam Gordon for his patron in the late 1920's, vauxite is a rare, hydrous, …

Vauxite is a phosphate mineral with the chemical formula Fe 2+ Al 2 (P O 4) 2 (O H) 2 ·6 (H 2 O). It belongs to the laueite – paravauxite group, paravauxite subgroup, although Mindat puts it as …

Vauxite is an alteration mineral derived from apatite and found in only two localities, the Siglo XX mine in Bolivia and the National Limestone Co. quarry in Pennsylvania. Ref. Handbook of …

6 天之前 · Here we have a well-crystallized, beautiful blue, very rare specimen consisting of radiating crystal aggregates of Vauxite on minor clay matrix (most likely decomposed Allophane).

Vauxite is a phosphate mineral of aluminum and iron. It has the composition FeAl 2 Al 2 (PO 4) 2 (OH) 2 .6H 2 O.

2015年12月5日 · We have undertaken a vibrational spectroscopic study of vauxite from Llallagua, Bolívia. This source is important source for rare and unusual secondary phosphate minerals …

A gorgeous rolling carpet of sparkling crystals of this rare species, Vauxite, one of the most rare and beautiful blue minerals you can get. These ONLY COME FROM one location, in such …

The piece hosts a few layered crystal groups of deep blue color Vauxite blades which are sitting on a thin "wash" of white botryoidal Wavellite on matrix. It is very difficult to obtain Vauxite …

Vauxite is a phosphate mineral with the chemical formula Fe2+Al2(PO4)2(OH)2·6(H2O). It belongs to the laueite – paravauxite group, paravauxite subgroup, although Mindat puts it as a …