-
variety called "Iceland
spar" is used for
optical purposes.
Acute scalenohedral crystals are
sometimes referred to as "dogtooth
spar"
while the rhombohedral...
-
sandstone that, at times, has been used in
building construction. Mica and
calcareous spar often accompany these sandstone beds.[citation needed] Due to the volcanic...
- the
island of Ceylon,
modern day Sri Lanka, was
found imbedded in
calcareous spar, and
accompanied by
pyrite and micas. The
crystals were
located in...
- The most
important non-metallic
materials are: quartz,
calcareous spar (calcite),
heavy spar (baryte) and
fluorspar (fluorite).
Mining in the Freiberg...
- history, crystallography. Haüy was
examining a
broken specimen of
calcareous spar in the
collection of
Jacques de
France de Croisset. (According to some...
- ac****ulate over time in
natural caves.
Speleothems most
commonly form in
calcareous caves due to
carbonate dissolution reactions. They can take a variety...
- Sang,
Observations and
experiments on the
fluid in the
cavities of
calcareous spar,
Proceedings of the
Royal Society of
Edinburgh 8, 1875, 126-130 link...
-
flowstone and others,
which are
derived from the lime,
mortar or
other calcareous material in concrete,
outside of the "cave" environment, can not be classified...
-
Materials containing much
calcium carbonate or
resembling it are
described as
calcareous.
Calcium carbonate is the
active ingredient in
agricultural lime and is...
-
material onto the
floor of a cave (or a void).
However the
difference from
calcareous stalagmites is that the
transport of
siliceous material occurs in the...
