Herdret stone is found in "Brazil" / "Finland" / "Russia" / "America" ​​and "Germany"

Physical properties

• The shape is crystalline agglomerations
• Phosphate group
  
• White scratching
• Hardness 5/5.5
• The color is colorless / yellow / white / greenish
• Transparent / semi-transparent
• The sparkle is ivory
• The refractive shape is monophonic

Chemical properties

• Density 3
• Semi-specific crystal system
• The chemical formula is calcium / beryllium phosphate