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• 1 2020-06-11T12:57:27+00:00 Mineral sample 07 (ERSC 1P01) 19 Sample 7 (multiple pieces) of the first year minerals plain 2020-09-12T01:11:15+00:00 back to 1P01 index
  
  
  360° views of mineral 7 samples:
  SAMPLE A
  
  
  SAMPLE B
  
  
  
  
  
  
  Static image (click to expand):
  
  Diaphaneity (Click to expand) (Samples 7X, 7Y, 7Z)
  
  
  Hardness:
  
  This sample has the hardness of quartz 
  
  Streak:
  Some of the powder left on the streak plate (H=6.5) has been rubbed off on the piece of felt in the picture. You can click on the picture to expand it.
  
  
  Acid test:
  This sample does not react to 10% HCl acid