Recently Released Special Editions
The Phillips Collection
The Phillips Collection
Honessite
- $325.00 - Sold
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- Locality
- Watson mine, near Troy, Lincoln Co., Missouri, United States
- Formula
- (Ni,Fe3+)8(SO4)1.2(OH)16·nH2O
- Availability
- Sold
- Size
- 5 x 3 x 3.5 cm - Miniature
- Tagged
- sulfate
A superb specimen with stout Millerite crystals replaced by Honessite. The piece carries fantastic color partially since the nickel from the Millerite has stained the Calcite bright green. The Honessite after Millerite crystals are over 1cm. Extra shipping applies.
Honessite
- Formula
- (Ni,Fe3+)8(SO4)1.2(OH)16·nH2O
- Crystal System
- Trigonal
- Crystal Habit
- Massive
- Luster
- Earthy (Dull)
- Color
- brown, green, greenish yellow, yellow
- Streak
- brownish white
- Class
- Trigonal - Hexagonal Scalenohedral
- Hardness
- 1-1.5
- Collection
- Phillips Collection
- Mineralpedia
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- On Dakota Matrix
- Previously Sold Honessite
- On Dakota Matrix
- Other Available Honessite
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Johannite
- $250.00 - Sold
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- Locality
- Happy Jack mine, White Canyon, San Juan Co., Utah, United States
- Formula
- Cu(UO2)2(SO4)2(OH)2·8H2O
- Availability
- Sold
- Size
- 8 x 5.5 x 3 cm - Sm Cabinet
- Tagged
- sulfate
- Special Info
- Fluorescent
Naturally fluorescent green Johannite with yellow Uranoplilite and an unidentified orange, pulverulent mineral. Fantastic piece, very interesting under the scope! Extra charge for special packaging.
Johannite
- Formula
- Cu(UO2)2(SO4)2(OH)2·8H2O
- Crystal System
- Triclinic
- Crystal Habit
- Druse, Reniform, Massive
- Cleavage
- Good, None, None
- Luster
- Vitreous (Glassy)
- Color
- yellow, greenish yellow
- Streak
- light green
- Class
- Triclinic - Pinacoidal
- Fracture
- Irregular
- Hardness
- 2
- Collection
- Phillips Collection
- Special Info
- Fluorescent
- Mineralpedia
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- On Dakota Matrix
- Previously Sold Johannite
- On Dakota Matrix
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Pyrargyrite
- $650.00 - Sold
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- Locality
- Pribram, Bohemia, Czech Republic
- Formula
- Ag3SbS3
- Availability
- Sold
- Size
- 6 x 5 x 3 cm - Sm Cabinet
- Tagged
- antique , sulfide
- Special Info
- Antique Specimen
Ex. US National Museum from the Roebling Collection with an antique K.S. Mineralien - Niedelag...this tag is ripped a little.
This is a large prismatic Pyrargyrite 2cm crystal with deep red internal reflections. The crystal itself is excellent with good forms as the photos show. There is a visible, old fracture near the one end otherwise with in very good shape.
Pyrargyrite
- Formula
- Ag3SbS3
- Crystal System
- Trigonal
- Crystal Habit
- Massive, Crystalline - Poor, Prismatic
- Cleavage
- Poor, None, None
- Luster
- Sub Metallic
- Color
- deep red, red gray
- Streak
- cherry red
- Class
- Trigonal - Ditrigonal Pyramidal
- Fracture
- Brittle - Conchoidal
- Hardness
- 2.5
- Collection
- Phillips Collection
- Special Info
- Antique Specimen
- Mineralpedia
- View Pyrargyrite
- On Dakota Matrix
- Previously Sold Pyrargyrite
- On Dakota Matrix
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Pyrolusite
- $195.00 - Available
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- Locality
- Ilfeld, Harz, Germany
- Formula
- MnO2
- Availability
- Available
- Price
- $195.00
- Size
- 3 x 7 x 3 cm - Sm Cabinet
- Tagged
- classic locality
Solid Pyrolusite showing excellent radiating sprays of this manganese oxide to 3.5cm from this classic locality. Comes with a University of Chicago label acquired in 1959 from E. Richter out of the Mitchell Gunnell collection.
Pyrolusite
- Formula
- MnO2
- Crystal System
- Tetragonal
- Crystal Habit
- Reniform, Dendritic, Earthy
- Cleavage
- Perfect, None, None
- Luster
- Sub Metallic
- Color
- steel gray, iron gray, bluish gray
- Streak
- black
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Brittle
- Hardness
- 6-6.5
- Collection
- Phillips Collection
- Mineralpedia
- View Pyrolusite
- On Dakota Matrix
- Previously Sold Pyrolusite
- On Dakota Matrix
- Other Available Pyrolusite
- WebMineral
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- Mindat
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