holmquistite
Sign in to saveHolmquistite is a lithium magnesium aluminium inosilicate mineral with chemical formula . It crystallizes in the orthorhombic crystal system as prismatic crystals up to or as massive aggregates. It has a Mohs hardness of 5–6 and a specific gravity of 2.95 to 3.13.
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- Nickel-Strunz 9th edition (updated 2009)
- 9.DE.05
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.DD.05
- crystal system
- orthorhombic crystal system
- IMA Mineral Symbol
- Hlm
- Commons category
- Holmquistite
- chemical formula
- Li₂(Mg₃Al₂)Si₈O₂₂(OH)₂
- Strunz 8th edition (series ID, updated)
- VIII/D.06
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Holmquistite is a lithium magnesium aluminium inosilicate mineral with chemical formula {{chem2|Li2(Mg,Fe^{2+})3Al2Si8O22(OH)2}}. It crystallizes in the orthorhombic crystal system as prismatic crystals up to 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.
Excerpted from Wikipedia’s “holmquistite” article, available under the CC BY-SA 4.0 licence.