Calcioburbankite

General Information:
 Chemical Formula:
Na3(Ca,REE,Sr)3(CO3)5
 Environment:
In a vent associated with ancylite-Ce and a vug inside a marble zenolith associated the carbonatite assemblage at Mont Saint-Hilaire.
 IMA Status:
Approved IMA
 Locality:
Mont Saint-Hilaire, Rouville County, Quebec, Canada.
 Name Origin:
For its relationship as the calcium-dominant analog of burbankite.
Physical Properties:
 Cleavage:
[100] Imperfect
 Color:
deep orange, silky white, or pink. light.
 Density:
3.45
 Diaphaniety:
Translucent
 Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Crystalline - Coarse - Occurs as well-formed coarse sized crystals.,
 Hardness:
3-4 - Calcite-Fluorite
 Luminescence:
Non-fluorescent.
 Luster:
Vitreous (Glassy)
 Streak:
white
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