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      Mixed Minerals

      Friday, 05 June 2020 06:00 PM

      Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including baryte, clinozoisite, fluorite, and hematite and more from places like near Norman, Cleveland Co., Oklahoma, United States, Cornog, Chester Co., Pennsylvania, United States, Stoddard mine, Westmoreland, Cheshire Co., New Hampshire, United States , Yaogangxian mine, Chenzhou, Hunan prov., China, Wolsendorf dist., Schwandorf, Bavaria, Germany, and Florence mine, Egremont, Cumbria, England.

      Baryte

      rose - #48538
      Locality
      near Norman, Cleveland Co., Oklahoma, United States 
      Formula
      BaSO4 
      Availability
      Sold
      Size
      9.5 x 9.5 x 8 cm - Cabinet 

      An American Classic mineral locality: Baryte rose from Dr. David London's collection. London wrote a great article on this occurence in the July/August 2008 issue of the Mineralogical Record. This specimen features a cluster of three Baryte roses each  6cm wide. Excellent specimen from this unique occurence. 

      The locality is long shut down and private residence.


      Baryte

      Formula
      BaSO4 
      Crystal System
      Orthorhombic 
      Crystal Habit
      Tabular, Prismatic, Massive - Fibrous 
      Cleavage
      Perfect, Perfect, Imperfect 
      Luster
      Vitreous (Glassy) 
      Color
      white, yellowish white, grayish white, brownish white, dark brown 
      Streak
      white 
      Class
      Orthorhombic - Dipyramidal 
      Fracture
      Uneven 
      Hardness
      3-3.5 
      Mineralpedia
      View Baryte
      On Dakota Matrix
      Previously Sold Baryte
      On Dakota Matrix
      Other Available Baryte
      WebMineral
      View Baryte
      Mindat
      View Baryte

      Clinozoisite

      #AH53447
      Locality
      Cornog, Chester Co., Pennsylvania, United States 
      Formula
      Ca2Al3(Si2O7)(SiO4)O(OH) 
      Availability
      Available
      Price
      $40.00
      Size
      6 x 6 x 4 cm - Sm Cabinet 

      Blades of lustrous green Clinozoisite to over 2cm.


      Clinozoisite

      Formula
      Ca2Al3(Si2O7)(SiO4)O(OH) 
      Crystal System
      Monoclinic 
      Crystal Habit
      Prismatic, Massive - Granular, Fibrous 
      Cleavage
      Perfect, None, None 
      Luster
      Vitreous (Glassy) 
      Color
      colorless, green, gray, yellow green, light yellow 
      Streak
      grayish white 
      Class
      Monoclinic - Prismatic 
      Fracture
      Uneven 
      Hardness
      Collection
      Arnold G Hampson Collection

      Fluorite

      with Quartz - #AH53443
      Locality
      Stoddard mine, Westmoreland, Cheshire Co., New Hampshire, United States  
      Formula
      CaF2 
      Availability
      Sold
      Size
      10 x 3.5 x 3.5 cm - Cabinet 
      Tagged
      pegmatite mineral  

      Light purple Fluorite in rough cubic forms to 3mm with Quartz. Fluorite is uncommon in pegmatites of this breed.  Collected in 1945 by Arnold Hampson.


      Fluorite

      Formula
      CaF2 
      Crystal System
      Isometric 
      Crystal Habit
      Crystalline - Coarse, Massive - Granular, Disseminated 
      Cleavage
      Three perfect, octahedral cleavages. 
      Luster
      Vitreous (Glassy) 
      Color
      purple, clear, yellow, green, red, blue 
      Streak
      white 
      Geological Setting
      Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
      Class
      Isometric - Hexoctahedral 
      Fracture
      Uneven 
      Hardness
      Collection
      Arnold G Hampson Collection
      Mineralpedia
      View Fluorite
      On Dakota Matrix
      Previously Sold Fluorite
      On Dakota Matrix
      Other Available Fluorite
      WebMineral
      View Fluorite
      Mindat
      View Fluorite

      Fluorite

      on Quartz - #AH53445
      Locality
      Yaogangxian mine, Chenzhou, Hunan prov., China 
      Formula
      CaF2 
      Availability
      Sold
      Size
      8.5 x 4 x 3 cm - Sm Cabinet 

      Great specimen with a purple cubic Fluorite crystal to 1cm without flaw perched perfectly on clear Quartz crystal (6cm) on matrix of all sorts - discoidal siderite, muscovite, and pyrrhotite.


      Fluorite

      Formula
      CaF2 
      Crystal System
      Isometric 
      Crystal Habit
      Crystalline - Coarse, Massive - Granular, Disseminated 
      Cleavage
      Three perfect, octahedral cleavages. 
      Luster
      Vitreous (Glassy) 
      Color
      purple, clear, yellow, green, red, blue 
      Streak
      white 
      Geological Setting
      Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
      Class
      Isometric - Hexoctahedral 
      Fracture
      Uneven 
      Hardness
      Collection
      Arnold G Hampson Collection
      Mineralpedia
      View Fluorite
      On Dakota Matrix
      Previously Sold Fluorite
      On Dakota Matrix
      Other Available Fluorite
      WebMineral
      View Fluorite
      Mindat
      View Fluorite

      Fluorite

      #WR53474
      Locality
      Wolsendorf dist., Schwandorf, Bavaria, Germany 
      Formula
      CaF2 
      Availability
      Available
      Price
      $250.00
      Size
      10 x 8 x 4 cm - Cabinet 

      Classic orange Fluorite crystals to 1.4cm.

      The specimen is from the collection of the late Willard Roberts, author of the first and second editions of the Encyclopedia of Minerals.


      Fluorite

      Formula
      CaF2 
      Crystal System
      Isometric 
      Crystal Habit
      Crystalline - Coarse, Massive - Granular, Disseminated 
      Cleavage
      Three perfect, octahedral cleavages. 
      Luster
      Vitreous (Glassy) 
      Color
      purple, clear, yellow, green, red, blue 
      Streak
      white 
      Geological Setting
      Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
      Class
      Isometric - Hexoctahedral 
      Fracture
      Uneven 
      Hardness
      Collection
      Willard L. Roberts Collection
      Mineralpedia
      View Fluorite
      On Dakota Matrix
      Previously Sold Fluorite
      On Dakota Matrix
      Other Available Fluorite
      WebMineral
      View Fluorite
      Mindat
      View Fluorite

      Hematite

      #AH53468
      Locality
      Florence mine, Egremont, Cumbria, England 
      Formula
      Fe2O3 
      Availability
      Sold
      Size
      4.5 x 6 x 4 cm - Sm Cabinet 

      Fascinating dark red botryoidal Hematite otherwise known are "kydney ore".


      Hematite

      Formula
      Fe2O3 
      Crystal System
      Trigonal 
      Crystal Habit
      Tabular, Blocky, Earthy 
      Cleavage
      None, None, None 
      Luster
      Metallic 
      Color
      reddish gray, black, blackish red 
      Streak
      reddish brown 
      Class
      Trigonal - Hexagonal Scalenohedral 
      Fracture
      Conchoidal 
      Hardness
      6.5 
      Collection
      Arnold G Hampson Collection
      Mineralpedia
      View Hematite
      On Dakota Matrix
      Previously Sold Hematite
      On Dakota Matrix
      Other Available Hematite
      WebMineral
      View Hematite
      Mindat
      View Hematite

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