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Stellerite Geode from India

Stellerite Geode from India

Stellerite and Chalcedony from Deccan Traps, India.


Rare mineral !

Museum piece, unique !

Ideal for connoisseurs looking for excellence , this Geode of  Stellerite will bring satisfaction.

It deserves its place in the most refined collections or the most prestigious showcases .


  • Origin: Deccan Traps, Bombay Mine, Mumbai District, India.
  • Size: 12cm by 12cm by 6.5cm
  • Chemical formula: Ca Al2 Si7 O18 7H2 O
  • Crystal system: Orthorhombic
  • Hardness Mohs scale: 3.5 to 4
  • Definition: Stellerite is a mineral species of the group of silicates , of the family of zeolites . Very close to stilbite from which it differs by the substitution of aluminum by silicon in its formula. As with stilbite , crystals of stellerite can associate to form a structure resembling sheaves of wheat. Stellerite can form isolated spheres of 12 cm in diameter. Stellerite, however, remains less colored than stilbite .
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