Images
Formula: SrCaB11O16(OH)5.H2O
Pentaborate, strontium-bearing mineral
Crystal System: Monoclinic
Specific gravity: 2.58 measured, 2.567 calculated
Hardness: 2
Streak: White
Colour: Colourless
Luminescence: Non-fluorescent under both UV and an electron beam
Environments
Calcioveatchite is a new mineral, approved in 2020 and to date (December 2024) reported only from the type locality.
Localities
At the type locality, the Nepskoe K salt deposit, Nepa River basin, Lower Tunguska, Irkutsk Oblast, Russia,
calcioveatchite occurs in the evaporite salt deposit as prismatic or tabular crystals up to
1 × 1.5 × 3 mm3 and crystal clusters up to 3 mm. Associated minerals include
halite, sylvite,
carnallite, boracite,
hilgardite, kurgantaite,
hydroboracite, volkovskite,
veatchite, anhydrite,
magnesite and quartz
(Mindat).
Back to Minerals