Recently Released Special Editions
Germany
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.
SOLD
Acanthite
- $200.00 $450.00 - Sold
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- Locality
- Berschert-Gluech mine, Freiberg dist., Saxony, Germany
- Formula
- Ag2S
- Availability
- Sold
- Size
- 5.5 x 4.5 x 2.5 cm - Sm Cabinet
- Tagged
- sulfide
Dull, greyish black, melted looking crystals of Argentite (Acanthite) to 1cm on Calcite matrix with Pyrite. This is really a neat specimen.
Acanthite
- Formula
- Ag2S
- Crystal System
- Monoclinic
- Crystal Habit
- Blocky, Skeletal, Arborescent
- Cleavage
- poor to none
- Luster
- Metallic
- Color
- lead gray, gray, iron black
- Streak
- shining black
- Class
- Monoclinic - Prismatic
- Fracture
- Sectile
- Hardness
- 2-2.5
- Collection
- Phillips Collection
- Mineralpedia
- View Acanthite
- On Dakota Matrix
- Previously Sold Acanthite
- On Dakota Matrix
- Other Available Acanthite
- WebMineral
- View Acanthite
- Mindat
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SOLD
Argyrodite
- $425.00 - Sold
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- Locality
- Himmelsfurst mine, Freiberg dist., Saxony, Germany
- Formula
- Ag8GeS6
- Availability
- Sold
- Size
- 2 x 2 x 1.5 cm - Thumbnail
- Tagged
- sulfide
"Large", 5mm, well formed crystals of rare Argyrodite, a Ag-Ge sulfide. Excellent specimen!
Argyrodite
- Formula
- Ag8GeS6
- Crystal System
- Orthorhombic
- Crystal Habit
- Subhedral Crystals, Massive - Granular
- Cleavage
- None, None, None
- Luster
- Metallic
- Color
- black, steel gray
- Streak
- grayish black
- Class
- Orthorhombic - Pyramidal
- Fracture
- Brittle - Conchoidal
- Hardness
- 2.5
- Collection
- Phillips Collection
- Mineralpedia
- View Argyrodite
- On Dakota Matrix
- Previously Sold Argyrodite
- On Dakota Matrix
- Other Available Argyrodite
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- Mindat
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SOLD
Arsenic
- $40.00 - Sold
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- Locality
- St. Andreasberg dist., Harz, Lower Saxony, Germany
- Formula
- As
- Availability
- Sold
- Size
- 6 x 5 x 1 cm - Sm Cabinet
- Tagged
- native element
Amazingly shiny and naturally polished black slickenside composed of Arsenic. Number on label matches that of specimen.
Arsenic
- Formula
- As
- Crystal System
- Trigonal
- Crystal Habit
- Nodular, Reniform, Lamellar
- Cleavage
- Perfect, None, None
- Luster
- Metallic
- Color
- lead gray, gray, white
- Streak
- black
- Class
- Trigonal - Hexagonal Scalenohedral
- Fracture
- Uneven
- Hardness
- 3.5
- Collection
- Phillips Collection
- Mineralpedia
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- On Dakota Matrix
- Previously Sold Arsenic
- On Dakota Matrix
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- Mindat
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SOLD
Arsenopyrite
- $40.00 - Sold
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- Locality
- Freiberg dist., Erzgebirge, Saxony, Germany
- Formula
- FeAsS
- Availability
- Sold
- Size
- 7 x 6 x 4 cm - Sm Cabinet
- Tagged
- sulfide
A good representative specimen from this districe with silvery crystals to 4mm. Showing some Pyrite decay. Originated from the US National museum with tag.
Arsenopyrite
- Formula
- FeAsS
- Crystal System
- Monoclinic
- Crystal Habit
- Striated, Euhedral Crystals, Prismatic
- Cleavage
- one distinct
- Luster
- Metallic
- Color
- tin white, light steel gray
- Streak
- black
- Geological Setting
- Widespread. Most commonly found in medium to high temperature veins.
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle
- Hardness
- 5.5 to 6
- Collection
- Phillips Collection
- Mineralpedia
- View Arsenopyrite
- On Dakota Matrix
- Previously Sold Arsenopyrite
- On Dakota Matrix
- Other Available Arsenopyrite
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- Mindat
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