• Cassiterite with Quartz and Zinnwaldite
  • Cassiterite with Quartz and Zinnwaldite
Silicates

Cassiterite with Quartz and Zinnwaldite

$700.00   €592  £510.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC19692
For me, Cassiterite crystals always add a pang of excitement to a specimen, but perhaps I need to get out more often!  This most delicious miniature certainly does this for me, with four separate, well developed twinned glossy-black Cassiterite crystals embedded between chocolate-bronze books of hexagonal Zinnwaldite Mica crystals and small, 1 to 5 mm milky Quartz crystals.  The Cassiterite twins’ range between 0.7 and 1 cm across and form perfectly defined butterfly twins with lustrous central re-entrant faces.  Zinnwaldite is now no longer classified as a species but is a convenient term for mica within the Siderophyllite and Polylithionite series.  These elegant Mica books attain 1.8 cm and provide an aesthetic foil to the metallic Cassiterite, a tin oxide.  A charming specimen from the famous tin deposit which spans the border between Germany (Saxony) and the Czech Republic (Bohemia).  The locality therefore carries the joint names Cínovec/Zinnwald near to Erzgebirge and Krusné Hory.  

Reserved

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Details

Dimensions
4.1 × 7.0 × 2.1 cm
Categories
Oxides and Hydroxides, Quartz and Agate, Silicates
Locality
Cínovec/Zinnwald, Erzgebirge; Krusné Hory, Saxony & Ústí Region (Bohemia), Germany & Czech Republic

Minerals on Specimen

Minerals on specimen
Cassiterite, Quartz, Zinnwaldite

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