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0 item @ $0.00  

Germany

Thursday, 30 August 2012 10:00 AM

Minerals from classic German localities including laueite and rockbridgeite from Hagendorf and silver bearing minerals from Freiberg, Saxony; Segen Gottes, Baden; Schneeberg district in Saxony; and Ifeld Manganite.

Millerite

#DM33948
Locality
Wissen, Siegen, Germany 
Formula
NiS 
Availability
Sold
Size
3 x 2 x 1 cm - Thumbnail 
Tagged
sulfide  

Brassy gold needle-like crystals of Millerite to 4mm in a small group. Formaerly of the US National Museum colletion.


Millerite

Formula
NiS 
Crystal System
Trigonal 
Crystal Habit
Acicular, Massive 
Cleavage
Perfect, Perfect, None 
Luster
Metallic 
Color
bronze, greenish gray, gray, brass yellow 
Streak
greenish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
3-3.5 
Collection
Phillips Collection
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Nickellotharmeyerite - PD33945
Nickellotharmeyerite - PD33945

Nickellotharmeyerite

#PD33945
Locality
Roter Berg, Schneeberg dist., Erzgebirge, Saxony, Germany 
Formula
CaNi2(AsO4)2·2H2
Availability
Sold
Size
2 x 2 x 1.5 cm - Thumbnail 
Tagged
arenate  
Special Info
EDS Confirmed 

Tiny micro creamy colored and confirmed crystals of Nickellotharmeyerite.


Nickellotharmeyerite

Formula
CaNi2(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Encrustations, Aggregates, Microscopic Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brown, yellow 
Streak
light brownish yellow 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
4.5 
Collection
Phillips Collection
Special Info
EDS Confirmed

Nickelschneebergite

#PD33949
Locality
Roter Berg, Schneeberg dist., Erzgebirge, Saxony, Germany 
Formula
BiNi2(AsO4)2(OH)·H2
Availability
Sold
Size
1 x 1 x 1 cm - Thumbnail 
Tagged
arsenate  

Compact, orange, fibrous crystals lining vugs.


Nickelschneebergite

Formula
BiNi2(AsO4)2(OH)·H2
Crystal System
Monoclinic 
Crystal Habit
Microscopic Crystals, Tabular 
Luster
Subadamantine 
Color
olive green, brown 
Streak
pale brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
4-4.5 
Collection
Phillips Collection

Polybasite

with Pyrargyrite - #PD32991
Locality
Freiberg dist., Erzgebirge, Saxony, Germany 
Formula
Cu(Ag,Cu)6Ag9Sb2S11 
Availability
Sold
Size
9 x 6 x 5 cm - Sm Cabinet 
Tagged
sulfide  

Great larger specimen and although the photos do not do it justice because of the hghly reflective nature of the minerals, it is a terrific specimen. Under the scope you will see abundany deep red Pyrargyrite crystals with plates of silvery Polybasite. Comes with label of Arthur Kusche and US National Museum (Smithsonian), who acquire it from Carl Bosch. Good provenance (see provenance tab) with three older lables. Label matches number on specimen.


Polybasite

Formula
Cu(Ag,Cu)6Ag9Sb2S11 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Granular, Pseudo Hexagonal 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black, dark ruby red 
Streak
reddish black 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
2.5-3 
Collection
Phillips Collection
SOLD
Rockbridgeite - PD33940
Rockbridgeite - PD33940

Rockbridgeite

#PD33940
Locality
Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany 
Formula
Fe2+Fe3+4(PO4)3(OH)5 
Availability
Sold
Size
6 x 3 x 3.5 cm - Sm Cabinet 
Tagged
phosphate  

Compact, fibrous, black Rockbridgeite with individual crystals to 1cm.


Rockbridgeite

Formula
Fe2+Fe3+4(PO4)3(OH)5 
Crystal System
Orthorhombic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous - Dull 
Color
green, dark olive green, black, brownish green, reddish brown 
Streak
greenish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
4.5 
Collection
Phillips Collection

Silver

with Polybasite - #PD33951
Locality
Himmelsfurst mine, Freiberg dist., Saxony, Germany 
Formula
Ag 
Availability
Sold
Size
9.5 x 7 x 4 cm - Cabinet 
Tagged
sulfide  

Cabinet size specimen juiced up with thousands of tiny, thin, hexagonal crystals of Polybasite to less than 1mm and associated with Silver. This is a very rich ore specimen.


Silver

Formula
Ag 
Crystal System
Isometric 
Crystal Habit
Arborescent, Dendritic, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
silver white, gray white, gray 
Streak
silver white 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Phillips Collection
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