Hoffs Rock Shop
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SPECIMENS

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Sodalite from North Catolina.  Larger piece is 2"x1.5".  $8
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Obsidian from California, mostly black.  I sell this to flint knappers and tool makers.  2.5 lbs.  $8
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Obsidian from California, mostly black.  I sell this to flint knappers and tool makers.  2 lbs.  $10
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Pyrite, gold, copper, other metals in quartz.   From Nevada.  2"x1"x1.5   Polished on all sides.  $10
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polka dot agate, old stock.  
4"x3"x3".   $8

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Royalite, which is fluorite, quartz, pyrite and other minerals.  From Colorado.  Haven't worked with this stone but it is said the lapidary potential is good.  2"x2"x1"  $10
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Stromatolite, also known as mary ellen jasper, from eastern MN.  2 billion year old fossil.  1 lb.  $8
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Sodalite from North Carolina.  Larger piece is 2"x3". &8
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Royalite, which is fluorite, quartz, pyrite and other minerals.  From Colorado.  Haven't worked with this stone but it is said the lapidary potential is good.  2"x2"x1"  $7
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Obsidian from California, mostly black.  I sell this to flint snappers and tool makers.  2 lbs.  $8
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Stromatolite, also known as mary ellen jasper, from eastern MN.  2 billion year old fossil.  4 lbs.  $33
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Stromatolite, also known as mary ellen jasper, from eastern MN.  2 billion year old fossil.  3 lbs.   $18

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