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Formula: CaSrB14O20(OH)6.5H2O
Hydrated borate containing hydroxyl,
strontium-bearing mineral
Specific gravity: 2.25 measured, 2.265 calculated
Hardness: 2 to 3
Streak: White
Colour: Colourless
Environments
Localities
At Penobsquis, Cardwell Parish, Kings county, New Brunswick, Canada, strontioginorite is commonly found in
small amounts associated with hilgardite,
volkovskite, hydroboracite
and trembathite. It occurs as colourless, frosted crystals
(CM 43.1469-1487).
At the type locality, the Königshall-Hindenburg mine, Reyershausen, Bovenden, Göttingen District, Lower Saxony,
Germany, strontioginorite was found in the water-insoluble residues of the "Old Halite" bed. It forms
colourless, transparent, silky crystals up to 3 mm x 1 mm x 0.5 mm, but most are much smaller
(AM 45.478).
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