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Minerals of the World
Showing 826–827 of 827 results
- Australian Minerals, Metal Specimens, Minerals of the World, Rock 'n Slabs
CHRYSOCOLLA COPPER
Vibrantly coloured Australian Chrysocolla rough specimen. The daylight really shows off the varying shades of green. In matrix with other interesting associated minerals which look like Copper, Malachite, Quartz and other. This beauty has a well defined seam of copper running through the centre and is heavy in comparison to similar specimens.
Location:
Mt Selwyn, QLD, AustraliaDimensions:
4.9cm high, 8.5cm wide, 5.5 deep, 202gSKU: WEB0061 - Metal Specimens, Minerals of the World
PYRRHOTITE SPHALERITE QUARTZ
An amazing combo of three great minerals Pyrrhotite Sphalerite Quartz! This location is known for its incredible metal/mineral specimens and this is no exception. An affordable, collection-worthy piece. This specimen displays many classic barrel shaped crystals of Pyrrhotite and is from old stock. Pyrrhotite crystals are rare and hard to come by.
Location:
Dalnegorsk, Russian Federation.Dimensions:
4.9cm x 7.3cm x 6.2cm, 215g.Pyrrhotite: Fe7S8, Also given as Fe1-x (x = 0 to 0.17).
Named in 1847 by Ours Pierre Armand Petit Dufrenoy from Greek “pyrrhos”, flame-coloured. Pyrrhotite has some unusual characteristics. First, it has an unusual formula. The amount of sulfur does vary by roughly 20% or 50 to 55 atoms of sulfur per 50 atoms of iron. Or is it the iron that varies? Really the same difference. Thus the unusual formula of Fe1-xS. Secondly, it has two symmetries.
SKU: M23PH01
