|
Fluorite
The Collector´s Choice
Fluorite is....
clear
and colorless in its pure form, but defects and impurities endow it
with array of colors, in both fluorescent and white light, a number of
which can occur in a single crystal. Those famous color zones are one
of the many features that have drawn people to collect fluorite, giving
it....
a rich history that spans cultures and millennia.
Colorful fluorite has been carved into all forms of vases, cups,
utensils, and decorator items that have historically commanded
astronomical prices. The few fluorite artifacts preserved from days of
old provide a glimpse into the lives of the ancients and open questions
about their sources for fluorite as well as what was known of the
mineral´s properties, as fluorite is....
an important
ore. Its use as a flux for making steel has been long known, and its
optical properties make it an important component in high-end lens
systems. Fluorite is also man´s most significant source for
fluorine,
which enjoys innumerable industrial applications. The commercial demand
means fluorite is....
readily mined from places across
the globe. Fluorite is generally deposited by hydrothermal fluids,
which can traverse many rock types. The mineral is thus found in a
variety of geologic environments and the crystals reflect that variety.
From simple cubes to incredibly complex crystals, colorful fluorite
occurs in association with flashy species such as galena, quartz,
calcite, sphalerite, and rhodochrosite. Rich in color, form, and
association, fluorite is....
The Collector´s Choice.
Contents
Fluorite:
from Ancient Treasures to Modern Labs and Collections
by Gloria Staebler, Joan Deville, Earl Verbeek, R. Peter
Richards and Fabien Cesbron
Fluorite
Luminescence
by Earl Verbeek
Fluorite
Balls from Hell
by Erich Offermann & R. Peter Richards
colors of EUROPE
Old
Classics and New Finds: Fluorite from the United Kingdom
by Ian Jonas
Fluorite
from Spain: Every Color Under the Sun
by Guiomar & Miguel Calvo
France
by Christophe Lucas
Switzerland
by Hans Anton Stalder
best of the AMERICAS
Elmwood-Gordonsville-Cumberland
Mine Complex Of Eastern Tennessee
by Arvid Pasto & Brian Stefanec
The Great Southern Illinois
Fluorspar Deposits
by Ross Lillie
Connecticut
by John Pawloski
IridescentFluorite from
Ohio´s Findlay Arch District
byJason McDonald
Canada
by Mark Mauthner & Frank Melanson
Mexico: Hundreds of
Localities, Great Associations
by Matthias Jurgeit & Peter Megaw
Fluorite from Peru
by Rock Currier
a taste of ASIA
Russia and the former Soviet
Union
by Ray Grant & Dmitri Belakovski
China
by Guanghua Liu
Pakistan
by Dudley Blauwet
Fluorite from Japan
by Yoshiro Komuro
there is always something new out of AFRICA
Fluorite
from Southern Africa
by Bruce Cairncross
Morocco´s
El Hammam: Six Decades of Fluorspar Mining
by Pierre Clavel & Günther Neumeier
Faceting
Fluorite
by Michael Gray
Fluid
Inclusions in Fluorite: Brines, Gases, Oils, and More
by Albert Gilg
Cleaning
Fluorite
by Rudolf Duthaler
References
Author´s
Addresses

extraLapis
English Fluorite
im Lapis online-Buchladen
|