Images
Formula: Mg2B2O5
Anhydrous borate
Crystal System: Monoclinic
Specific gravity: 2.91 measured
Hardness: 5½
Streak: White
Colour: White
Solubility: Soluble with difficulty in cold dilute hydrochloric acid (AM 40.941)
Environments
Localities
At the type locality, the Hol Kol Mine, Suan-gun, North Hwanghae Province, North Korea, suanite occurs in a
contact metasomatic hydrothermal boron deposit in
skarn (Webmin, HOM). Associated minerals include
calcite, szaibélyite,
kotoite, sakhaite,
ludwigite, forsterite,
apatite, spinel and
clinohumite
(AM 40.941, HOM).
Back to Minerals