New England Meteoritical Services

Mantle Rock and Natural Diamond Crystals

Mantle Rock

Kimberlite, Sturgeon Lake, Saskatchewa, Canada Alnoite, Hicks Dome, Southern Illinois, Illinois, USA Kimberlite, Sloan Ranch Mine, Larimer County, Colorado, USA
     
Kimberlite, Halas, Dickinson County, Michigan, USA Lamproite, Hatcher Mesa, Leucite Hills, Wyoming, USA Kimberlite, Premier Mine, Kimberly, South Africa

 
 
Mantle rock is interesting and visually striking. They are high-pressure, titanium-rich rocks brought to the Earth's surface through volcanic activity. Most contain garnets and sometimes, diamonds. All are very old, roughly 3 billion years or more.
 
All samples are polished slices, enclosed in a 2" specimen case.
 
Mantle Rock, 6 Localities
 
Locality
Kimberlite, Sturgeon Lake, Saskatchewa, Canada $24.00
Alnoite, Hicks Dome, Southern Illinois, Illinois, USA $20.00
Kimberlite, Sloan Ranch Mine, Larimer County, Colorado, USA $20.00
Kimberlite, Halas, Dickinson County, Michigan, USA $20.00
Lamproite, Hatcher Mesa, Leucite Hills, Wyoming, USA $20.00
Kimberlite, Premier Mine, Kimberly, South Africa $24.00
   
Complete set of the above six localities $95.00
   
   

 Natural Diamond Crystals, 12 Localities
 
   
Daimantina, Brazil Octahedrons, SA  Namibia Cubic, Zaire
       
Orange Free State Macle Twin Sierra Leone Cubic, Botswana
       
Argyle Mine Carbonado Crystal Sections Dudno, Angola
       
       
 Natural Diamond Crystals, 12 localities
Locality Size Price
Diamantina, Minas Gerais, Brazil, clear to light gray crystals 3 to 4mm rounded octahedrons email
Cape Province, South Africa, clear 2 mm perfect octahedrons email
CDM Mine, Oranjemund, Namibia, crystals 3 to 4mm irregular to rounded,white email
Kasai, Zaire (not shown above) 1mm perfect yellow cubes email
Kasai, Zaire, light yellow crystals  2 to 3mm single cubic crystals email
Kasai, Zaire, creamy white crystals 2 to 3mm cubic, pearl-like color email
Orange Free State, South Africa, clear yellow 2mm octahedrons, very nice email
Transvaal, South Africa, Macle Twin 2mm flattened triangles, clear crystals email
Sewa River, Sierra Leone, large crystals 5mm gray, rounded crystals, email
Opra Mine, Botswana, pure white crystals 2 to 3mm single cubic crystals email
Argyle Mine, Western Australia, clear/gray 3mm octahedrons, nice   email
Carbonado, Bangui Region, Central African Rep  Please call for price
Dudno Region, Angola, yellow, rounded crystals 2mm yellow/clear crystals email
Aikhal Mine, Siberia, Russia, Superb crystals!  5 to 6mm cubic crystals email