- The
mineral marcasite,
sometimes called "white iron pyrite", is iron
sulfide (FeS2) with
orthorhombic crystal structure. It is
physically and crystallographically...
-
Marcasite jewellery is
jewellery made
using cut and
polished pieces of
pyrite (fool's gold) as gemstone, and not, as the name suggests, from marcasite...
-
solar cells made
entirely of pyrite.
Pyrite is used to make
marcasite jewelry.
Marcasite jewelry, made from
small faceted pieces of pyrite,
often set...
- can be
replaced by
other minerals (e.g. calcite, siderite,
pyrite or
marcasite)
during diagenesis.
Porosity usually decreases during diagenesis, except...
-
Howlite Jade
Jasper Kyanite Labradorite Lapis lazuli Larimar Malachite Marcasite Moonstone Obsidian Onyx Opal
Peridot P****lite
Quartz (smoky) Ruby Sapphire...
-
Howlite Jade
Jasper Kyanite Labradorite Lapis lazuli Larimar Malachite Marcasite Moonstone Obsidian Onyx Opal
Peridot P****lite
Quartz (smoky) Ruby Sapphire...
-
start fires.
Before the
advent of steel, a
variety of iron
pyrite or
marcasite was used with
flint and
other stones to
produce a high-temperature spark...
-
Howlite Jade
Jasper Kyanite Labradorite Lapis lazuli Larimar Malachite Marcasite Moonstone Obsidian Onyx Opal
Peridot P****lite
Quartz (smoky) Ruby Sapphire...
-
pyrrhotite (hexagonal) Mackinawite, Fe1+xS (where x = 0 to 0.1) (tetragonal)
Marcasite,
orthorhombic FeS2 Pyrite,
cubic FeS2 (fool's gold) ****nopyrite (mi****kel)...
- are
sometimes mistaken for
fossils of sand
dollars or
other forms (see
marcasite). Cracks, bumps, gas bubbles, and such can be
difficult to distinguish...
