Holmquistite
Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters". Holmquistite is a lithium magnesium aluminium inosilicate mineral with chemical formula Template:Chem2. It crystallizes in the orthorhombic crystal system as prismatic crystals up to Script error: No such module "convert". or as massive aggregates. It has a Mohs hardness of 5–6 and a specific gravity of 2.95 to 3.13.
Color could vary from black, dark violet to light sky blue.
It occurs as metasomatic replacements on the margins of lithium rich pegmatites.
It was first described in 1913 from an occurrence in Utö, near Stockholm, Sweden. It was named for the Swedish petrologist Per Johan Holmquist (1866–1946).[1][2]
References
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