-
unroasted iron pyrites worldwide,
making up 65% of
global imports.
China is also the
fastest growing in
terms of the
unroasted iron pyrites imports, with...
- The
mineral marcasite,
sometimes called "white
iron pyrite", is
iron sulfide (FeS2) with
orthorhombic crystal structure. It is
physically and crystallographically...
- were
shipped back to France, but
turned out to be
quartz crystals and
iron pyrites. In 1986 the
American historian Samuel Eliot Morison wrote about the...
-
chalcopyrite comes from the Gr****
words chalkos,
which means copper, and
pyrites',
which means striking fire. It was
sometimes historically referred to...
-
creating sparks. With the
development of
iron ore
smelting in the
Iron Age, the
firesteel eventually replaced pyrites. This was
simply a
piece of
carbon steel...
-
allowing them to
start a fire by
catching sparks from
flint struck against iron pyrites. Bits of
fungus preserved in peat have been
discovered at the Mesolithic...
-
allowed to seep into
mines it is
oxidised and
polluted by the
exposed iron pyrites. As of 2005 when
Buffelsfontein mine went out of business, it became...
-
Tezcatlipoca formed from a
human skull,
likely worn by
priests during sacred rites.
Turquoise with
iron pyrites for the eyes. From the
British Museum....
- upon
return to
France were
discovered to be
merely quartz crystals and
iron pyrites, respectively—which gave rise to a
French expression: "faux
comme les...
- ****nopyrite (IMA symbol: Apy) is an
iron ****nic
sulfide (Fe****). It is a hard (Mohs 5.5–6) metallic, opaque,
steel grey to
silver white mineral with...
