sarahgb(theoriginal):
Polished silica
sarahgb(theoriginal):
Amethyst
sarahgb(theoriginal):
Polished silica
sarahgb(theoriginal):
How aggregate is formed
sarahgb(theoriginal):
Amethyst
sarahgb(theoriginal):
DSC00916
sarahgb(theoriginal):
Zeolite
sarahgb(theoriginal):
DSC00914
sarahgb(theoriginal):
Carbon bubbles
sarahgb(theoriginal):
Carbon display wall
sarahgb(theoriginal):
Carbon bubble tubes
sarahgb(theoriginal):
Refracted light from Cubic Zircona
sarahgb(theoriginal):
DSC00909
sarahgb(theoriginal):
Rocks and Minerals
sarahgb(theoriginal):
DSC00907
sarahgb(theoriginal):
Amethyst
sarahgb(theoriginal):
Mica 11/02/19
sarahgb(theoriginal):
Agate
sarahgb(theoriginal):
DSC00903
sarahgb(theoriginal):
Drilled rock cores
sarahgb(theoriginal):
Entrance to Earth Treasures exhibition, Natural History Museum
sarahgb(theoriginal):
Sulphur
sarahgb(theoriginal):
Moon Rock
sarahgb(theoriginal):
Entrance to Earth Treasures, Natural History Museum
sarahgb(theoriginal):
Polished Agate