xUmp.com Logo

Galena - Large Chunk (2-3 inch) - Image One
Share this product:

Galena - Large Chunk (2-3 inch)

Item#: 16255  
List Price:$8.99
Deal Price: $4.99 /each
You Save: $4.00 (44%)
DISCONTINUED This item is not available at the moment. Contact us for product availability update.

Save additional 10% OFF with coupon code: HELLO2019

Galena, also called lead glance, is the natural mineral form of lead(II) sulfide. It is the most important ore of lead and an important source of silver.  Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite.  Within the weathering or oxidation zone galena alters to anglesite (lead sulfate) or cerussite (lead carbonate). Galena exposed to acid mine drainage can be oxidized to anglesite by naturally occurring bacteria and archaea, in a process similar to bioleaching.  One of the oldest uses of galena was as kohl, which, in Ancient Egypt, was applied around the eyes to reduce the glare of the desert sun and to repel flies, which were a potential source of disease.  Galena is the primary ore of lead, which is mainly used in making lead–acid batteries; however, significant amounts are also used to make lead sheets and shot. Galena is often mined for its silver content, e.g., at the Galena Mine in northern Idaho.  Galena was even used in crystal radio receivers.  Makes an excellent addition to any earth science classroom for decoration, or for inclusion in a rock or mineral collection.

Also known as "potters ore", galena is used in a green glaze applied to pottery.

Galena Specifications:

Color: Lead gray and silvery
Color of streak: Lead gray
Moh’s hardness: 2.5 - 2.75
Specific gravity: 7.2 - 7.6
Cleavage: Cubic perfect on [001], parting on [111]
Fracture: Subconchoidal
Crystal system: Cubic
Chemical composition: PbS
Transparency: Opaque
Refractive index: None
Double refraction: None
Dispersion: None
Pleochroism: None
Absorption spectrum: None
Fluorescence: None

Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar. Price is per each piece. They come in irregular shapes, sizes and weights.


Age:
14 +
Box Size:
2.50 x 2.50 x 2.00 inches
6.35cm x 6.35cm x 5.08cm
Weight:
0 lb 7 oz
0.20 kg

Customer Reviews


There are no customer reviews for this product. Be the first one to write one!

FEATURED PRODUCTS

Physics Workshop Kit.

$55

Physics Workshop Kit

This science kit is an essential introduction to physics knowledge!

Advanced Fossil Collection.

$43

Advanced Fossil Collection

Comprehensive collection of 30 fossils.

Pet Tornado.

$4.99

Pet Tornado

Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!

Celestron Infiniview 5MP LCD Digital Microscope.

$129

Celestron Infiniview 5MP LCD Digital Microscope

Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.

Elenco Soldering Station.

$29

Elenco Soldering Station

This is a deluxe soldering station that can handle any kind of application!

100 Rocks and Minerals of the U.S.A..

$69.99

100 Rocks and Minerals of the U.S.A.

A massive mounted set of 100 rocks and minerals found in the US,

xUmp.com Logo


Join our tribe:

SIGN-UP & SAVE

Sign-up for our weekly discounts and promotions email newsletter.



xUmp.com Catalog

CATALOG

View xUmp science supplies catalog

xUmp.com Mission