Pyrite (Iron Pyrite) "Fools Gold"
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Starburst Pyrite, Galena and Quartz Crystals
Stunning array of clear acicular quartz crystal points in a star burst pattern adorned with striated and cubic pyrite on a
matrix of galena and pyrite. This is a highly sought after specimen that is fast disappearing. This fine piece is from
Brazil and was acquired a few years ago and is from our private collection.
This specimen weighs 0.33 lb (152g) and measures @ 2.8 x 2.5 x 1.6 inches (71 x 64 x 41mm).
Pyritohedral Pyrite with Drusy Quartz with Pyrite inclusions  from Brazil
Very nice specimen of Pyritohedral pyrite covered partially with a drusy quartz layer that has fine pyrite inclusions
giving a "pyrite sprinkled" look to the quartz.  
This piece weighs 0.28 lb (128g) and measures 2.4 x 1.4 x 1.1 inches (61 x 36 x 29mm).
Item # P11107001
"Starburst"
Pyrite, Quartz Crystal and
Galena from Brazil
$69.00
Pyrite
Pyrite is the classic "Fool's Gold". There are other shiny brassy yellow minerals, but pyrite is by far the
most common and the most often mistaken for gold. Whether it is the golden look or something else,
pyrite is a favorite among rock collectors. It can have a beautiful luster and interesting crystals. It is so
common in the earth's crust that it is found in almost every possible environment, hence it has a vast
number of forms and varieties.
Unlike gold, which is prized because of its color, brightness, workability, and rareness, Pyrite is not a
metal, but rather, a sulfide made up of iron and sulfur. Pyrite is much harder and more brittle, and it
tarnishes to a dark brown. Fool's Gold is very common, and this has led to many people thinking they
had discovered real gold over the years. Pyrite forms when hydrogen sulfide combines with iron. These
common elements often fuse and are carried by heated fluids to cracks in native rocks where pyrite is
deposited. It is attractive, and many museums keep specimens of Pyrite for display or educational
purposes.
Bravoite is the name given to a nickel-rich iron sulfide. It is closely related to pyrite but contains up to
20% nickel. Some mineral books treat it as a variety of pyrite. Pyrite is a polymorph of
Marcasite, which
means that it has the same chemistry, FeS2, as Marcasite; but a different structure and therefore
different symmetry and crystal shapes. Pyrite is difficult to distinguish from Marcasite when a lack of
clear indicators exists.
Common Shapes of Pyrite
This is a pyrite sun on a
shale matrix;
it formed about 310-350 million
years ago in the Mississippian
formation in a small area known as
Randolph County, Illinois. Pyrite
suns form between tightly spaced
layers of shale, in coal mines. The
pyrite was forced to grow in a
laterally compressed, radiating
manner, instead of a more normal
cube or Pyritohedral shape that
pyrite is more commonly known for.
This unique pyrite specimen has
been cleaned on both sides and the
shale slate matrix has been
stabilized. This specimen can be
displayed with the Pyrite in place on
the matrix or next to it.

This total specimen (pyrite sun on
matrix) measures approximately;
7 5" wide and 5.75” high and 1”
thick and weighs 1.55 lbs (702g)

The pyrite sun measures
approximately;
3.4 x 3.1 x .3 inches (87 x 77 x
7mm) and weighs 4.5oz (128g)
Pyritohedral
Pyrite Sun
Sunflower
Cubic
Striated
Pyrite Sun from Sparta, Illinois.  Pure Pyrite
crystallization with no matrix featuring radiating
golden crystals that sparkle in the light.  These are
also known as Pyrite Dollars and Sun Dollars.  
Collected in a coal mine hundreds of feet below
the earth's surface, this sun formed over 300
million years ago!  Fanned crystal structure is due
to compressed growth between sheets of slate.  
Item # P1107002
Pyritohedral Pyrite with
Drusy Quartz with Pyrite
inclusions  from Brazil
$45.00
Item #PA1107005
Pyrite-replaced Ammonite with
opalescent shell from Russia
$29.00
Pyrite-replaced Ammonite with opalescent shell from Russia
The fossilization process has naturally replaced the original shell with stunning golden pyrite - a feature that is so
HIGHLY-prized.Ammonites are extinct members of the Cephalopod class.  Modern members include nautilus, squid
and octopus.  They first appeared during the Silurian Period (435 million to 410 million years ago) and were abundant
and widespread in the seas of the Jurassic and Cretaceous periods (175 million to 65 million years ago).  Ammonites
are important index fossils—that is, they often link the rock layer in which they are found to specific geological time
periods.This specimen weighs 16g and measures 40 x 29 x 10mm (1.6 x 1.1 x 0.4in)
This is a pyrite sun on a shale
matrix;
it formed about 310-350 million
years ago in the Mississippian
formation in a small area known as
Randolph County, Illinois. Pyrite
suns form between tightly spaced
layers of shale, in coal mines. The
pyrite was forced to grow in a
laterally compressed, radiating
manner, instead of a more normal
cube or Pyritohedral shape that
pyrite is more commonly known for.
This unique pyrite specimen has
been cleaned on both sides and the
shale slate matrix has been
stabilized. This specimen can be
displayed with the Pyrite in place on
the matrix or next to it.

This total specimen (pyrite sun on
matrix) measures approximately;
7 5" wide and 5.75” high and 1”
thick and weighs 1.42 lbs (644g)

The pyrite sun measures
approximately;
3.15 x 3.1 x .325 inches (79 x 77 x
8mm) and weighs 4.42oz (126g)
Item # P1008001
Pyrite Sun on Shale matrix
from Randolph County,
Illinois.

$79.00
Item # P1008002
Pyrite Sun on Shale matrix
from Randolph County,
Illinois.

$75.00
Sold
This unique item is sold
and on its way to
H
opewell, New Jersey