Recently Released New Additions
Mixed Minerals
Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including gahnite, galena, gold, and hessite and more from places like Charlemont, Franklin Co., Massachusetts, United States, Săcărâmb (Nagyág in Hungary), Romania, Harvard mine, Jamestown, Tuolumne Co., California, United States, Nova Scotia, Canada, Shinkolobwe, Katanga, Democratic Republic of Congo, and Lake City dist., Hinsdale Co., Colorado, United States.
Gahnite
- Sold
- Add to Favorites
- Locality
- Charlemont, Franklin Co., Massachusetts, United States
- Formula
- ZnAl2O4
- Availability
- Sold
- Size
- 7 x 4.5 x 3.5 cm - Sm Cabinet
- Special Info
- Antique Specimen
Dark green subhedral crystals to 4mm. See prov. tab for old label.
Gahnite
- Formula
- ZnAl2O4
- Crystal System
- Isometric
- Crystal Habit
- Euhedral Crystals, Massive - Granular, Striated
- Cleavage
- Indistinct, None, None
- Luster
- Vitreous (Glassy)
- Color
- bluish green, grayish green, deep leek green, greenish black, bluish black
- Streak
- gray
- Class
- Isometric - Hexoctahedral
- Fracture
- Uneven
- Hardness
- 8
- Collection
- Ex. A.E. Seaman Museum
- Special Info
- Antique Specimen
- On Dakota Matrix
- Previously Sold Gahnite
- On Dakota Matrix
- Other Available Gahnite
- WebMineral
- View Gahnite
- Mindat
- View Gahnite
Galena
- Sold
- Add to Favorites
- Locality
- Săcărâmb (Nagyág in Hungary), Romania
- Formula
- PbS
- Availability
- Sold
- Size
- 9 x 6.5 x 3.5 cm - Sm Cabinet
- Tagged
- sulfide
- Special Info
- Antique Specimen
Great antique specimen with modified Galena crystals to 1cm with Siderite and Pyrite. See old label.
Galena
- Formula
- PbS
- Crystal System
- Isometric
- Crystal Habit
- Euhedral Crystals, Massive - Granular, Massive
- Cleavage
- Perfect, Perfect, Perfect
- Luster
- Metallic
- Color
- light lead gray, dark lead gray
- Streak
- grayish black
- Class
- Isometric - Hexoctahedral
- Fracture
- Brittle
- Hardness
- 2.5
- Collection
- Ex. A.E. Seaman Museum
- Special Info
- Antique Specimen
- Mineralpedia
- View Galena
- On Dakota Matrix
- Previously Sold Galena
- On Dakota Matrix
- Other Available Galena
- WebMineral
- View Galena
- Mindat
- View Galena
Gold
- Sold
- Add to Favorites
- Locality
- Nova Scotia, Canada
- Formula
- Au
- Availability
- Sold
- Size
- 3 x 2 x 1.7 cm - Thumbnail
- Tagged
- native element
- Special Info
- Antique Specimen
Four 0.5 to 1mm specks of Gold in dull gray Arsenopyrite. Neat old label - see prov. tab.
Gold
- Formula
- Au
- Crystal System
- Isometric
- Crystal Habit
- Arborescent, Platy, Granular
- Cleavage
- None, None, None
- Luster
- Metallic
- Color
- yellow, pale yellow, orange, yellow white, reddish white
- Streak
- yellow
- Class
- Isometric - Hexoctahedral
- Fracture
- Hackly
- Hardness
- 2.5-3
- Collection
- Ex. A.E. Seaman Museum
- Special Info
- Antique Specimen
- Mineralpedia
- View Goldmanite
- On Dakota Matrix
- Previously Sold Gold
- On Dakota Matrix
- Other Available Gold
- WebMineral
- View Gold
- Mindat
- View Gold
Gold
- Sold
- Add to Favorites
- Locality
- Shinkolobwe, Katanga, Democratic Republic of Congo
- Formula
- Au
- Availability
- Sold
- Size
- 2 x 2 x 1.2 cm - Thumbnail
- Tagged
- native element
- Special Info
- Radioactive!!
Black, vitreous Uraninite with specks of Gold throughout mass.
Gold
- Formula
- Au
- Crystal System
- Isometric
- Crystal Habit
- Arborescent, Platy, Granular
- Cleavage
- None, None, None
- Luster
- Metallic
- Color
- yellow, pale yellow, orange, yellow white, reddish white
- Streak
- yellow
- Class
- Isometric - Hexoctahedral
- Fracture
- Hackly
- Hardness
- 2.5-3
- Collection
- Ex. William Pinch
- Special Info
- Radioactive!!
- Mineralpedia
- View Goldmanite
- On Dakota Matrix
- Previously Sold Gold
- On Dakota Matrix
- Other Available Gold
- WebMineral
- View Gold
- Mindat
- View Gold
Hessite
- Sold
- Add to Favorites
- Locality
- Lake City dist., Hinsdale Co., Colorado, United States
- Formula
- Ag2Te
- Availability
- Sold
- Size
- 4 x 3 x 2 cm - Miniature
- Tagged
- tellurium , silver
- Special Info
- Antique Specimen
Grey and sectile Hessite thoughout mass with Quartz. Another "oldie" from the Seaman deaccession.
Hessite
- Formula
- Ag2Te
- Crystal System
- Monoclinic
- Crystal Habit
- Modified pseudocubic, irregular and distorted
- Cleavage
- Indistinct, None, None
- Luster
- Metallic
- Color
- lead gray, steel gray
- Streak
- light gray
- Class
- Monoclinic - Prismatic
- Fracture
- Uneven
- Hardness
- 1.5-2
- Collection
- Ex. A.E. Seaman Museum
- Special Info
- Antique Specimen
- Mineralpedia
- View Hessite
- On Dakota Matrix
- Previously Sold Hessite
- On Dakota Matrix
- Other Available Hessite
- WebMineral
- View Hessite
- Mindat
- View Hessite
