-
found in coal. The name
pyrite is
derived from the Gr**** πυρίτης λίθος (
pyritēs lithos), 'stone or
mineral which strikes fire', in turn from πῦρ (pŷr)...
-
chalcopyrite comes from the Gr****
words chalkos,
which means copper, and
pyrites',
which means striking fire. It was
sometimes historically referred to...
-
Speerkies (Speer
meaning spear and Kies
gravel or stone). This twin is very
common in the
marcasite of a
chalky origin,
particularly those from the Cap Blanc-Nez...
-
shows prismatic crystal or
columnar forms with
striations and
twinning common. ****nopyrite may be
referred to in
older references as orthorhombic, but...
- and
general lack of ****ociation with
pyrite or pyrrhotite.
Millerite is a
common metamorphic mineral replacing pentlandite within serpentinite ultramafics...
-
pyrites to fall (under
tension of the dog spring) on to the now
rotating wheel. That is the
second purpose of a
sliding pan cover: were the
pyrites to...
- philosophorum,
Panacea salutifera, Pandora, Phoenix,
Philosophic mercury,
Pyrites,
Radices arboris solares, Regina, Rex regum, Sal metallorum,
Salvator terrenus...
- tourmaline, epidote, apatite, garnet, hornblende, augite,
sphene and
pyrites. The
cementing material may be
siliceous or
argillaceous and is sometimes...
- ISSN 0254-0436. Henckel,
Johann Friedrich (1757). Pyritologia, or a
History of the
Pyrites …. London, England: A.
Millar and A. Linde. p. 308. From p. 308: " … to...
- The jaws that hold the
pyrites inside wheellock guns were
secured with ****s, and the need to
constantly replace the
pyrites resulted in a considerable...
