Learn%20how%20geologists%20dig%20up%20minerals%20and%20gemstones%20and%20where%20can%20you%20find%20them%20in%20nature.%20Dig%20five%20different%20minerals%20out%20of%20the%20plaster%20block.%20Learn%20about%20the%20mineral%20specimens%20in%20the%20manual%2C%20including%20their%20names%20and%20properties%2C%20where%20they%20came%20from%2C%20and%20how%20to%20preserve%20and%20display%20them.%20The%20kit%20includes%20specimens%20of%20quartz%2C%20aventurine%2C%20rose%20quartz%2C%20red%20jasper%2C%20and%20amethyst%2C%20and%20the%20tools%20to%20excavate%20them%20from%20the%20plaster%20block.