Barite Snowball on
Sphalerite from the
|Barite Snowball on Sphalerite
This is a specimen with large Barite Snowball formation on a plate of Sphalerite
from the famous a Elmwood Mine which is located in Carthage, Central Mining
District in Smith County, Tennessee. Nearby towns are Lebanon, Murfreesboro
and Hendersonville, Tennessee. The wine colored Sphalerite plate accented
by a white Barite Snowball present an excellent display.
This piece weighs 3.9 oz or 0.24 lbs (113g)
and measures 2.5 x 1.6 x 1.3 inches (6.9 x 4.1 x 3.3cm)
XXL specimen of
Marmatite variety of
Sphalerite with Dolomite
|Excellent specimen of Marmatite (which is an Iron rich variety of Sphalerite) with
Dolomite from the famous Brownley Hill lead and zinc mine in Nenthead, Cumbria,
England. The mine operated from circa 1735 to 1966 under several different mining
This specimen was previously owned by Teresa Rocks and Dan Weinrich-Fine
Minerals (label included). Large specimens of Marmatite are rare and difficult to find.
weight: 5.07 lbs (2301g) measures 7.2 x 6.6 x 4.4 inches (18.4 x 16.9 x 11.2cm)
Sphalerite is the major ore of zinc and often found with the mineral Galena. When it is in pure form, with little or no
iron, it produces clear to translucent crystals. The colors found in this mineral will vary, the pale yellow color is
known as Cleiophane. The orange and red shades are known as Ruby Blende or Ruby Jack. Specimens with
high iron content form dark, opaque metallic crystals which are dark grey to black and are known as Marmatite or
Black Jack. Some specimens have a red iridescence within the gray-black crystals, these are called "ruby
Sphalerite." Sphalerite is also known as Blende or Zinc Blende. It makes an interesting and attractive cabinet
display specimen. It can have excellent luster and enhances many other beautiful minerals.
Other Zinc Ores include Hemimorphite, Smithsonite, Willemite, Franklinite and Zincite. Although Sphalerite’s
importance as a Zinc Ore is well known, it is a very attractive and definitely interesting mineral for collectors as
well. Gemmy, pale specimens from Franklin, New Jersey are highly fluorescent peach-orange and/or blue under
long wave ultraviolet light (LWUV) and are known as Cleiophane, an almost pure variety.
Another interesting variety of Sphalerite found in Europe (Poland or Germany) is known as Schalenblende. This is
a banded variety associated with Wurtzite and often also Pyrite and Galena that forms patterned concentric
shapes. It is usually cut into slabs and polished, which are very popular with collectors. Schalenblende is also
fluorescent displaying a peach-orange color under long wave ultraviolet light.
|Majestic Wine Red Sphalerite crystals adorn this specimen which has randomly stacked
natural host rock plates with a coating of drusy quartz that has burgundy colored
undertones accenting excellent clear to white quartz crystals. There are also a couple of
galena crystals on this piece that is from the Shuikoushan Mine in the Hengyang
Prefecture, Hunan Province, China. This specimen is from our personal collection
Photos taken with Nikon Coolpix L1 outdoors in natural sunlight & shade to show best color and details.
This piece weighs 19.9oz or 1.24lb (565g)
and measures 4.8 x 3.4 x 3.1 inches (12.3 x 8.6 x 7.9cm)
XL Sphalerite on drusy
Quartz from Shuikoushan
|Very Rare Specimen!
|Rare Old Stock A+ Ruby-Jack Sphalerite on Matrix from Missouri
Exceptional Large Ruby Jack Sphalerite crystals in a field of Majestic Wine Red Sphalerite crystals are the attractions of
this Old Stock specimen from Missouri. Specimens showing large black-red crystals with definable triangular faces and
twins have not been found in the Missouri area for over 50 years. This specimen is from our personal collection.
(Last photo shows old spots with glue and styrofoam on specimen bottom from 1950's era mounting)
This piece weighs 11.7oz or 0.73 lb (332g) and measures 3.5 x 3.2 x 2.6 inches (9 x 8.3 x 6.8cm)
Rare Old Stock A+ Ruby
Jack Sphalerite on Matrix