Information card for entry 9004699

Structure parameters

• Mineral name: Hummerite
• Formula: H16 K Mg O22 V5
• Calculated formula: H16 K Mg O22 V5
• Title of publication: The crystal structure of hummerite, K Mg(V5O14).8H2O: Bonding between the [V10O28] structural units and the {K2Mg2(H2O)16} interstitial complex
• Authors of publication: Hughes, J. M.; Schindler, M.; Rakovan, J. F.; Cureton, F. E.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2002
• Journal volume: 40
• Pages of publication: 1429 - 1435
• a: 8.8178 Å
• b: 10.7236 Å
• c: 11.0707 Å
• α: 65.789°
• β: 74.057°
• γ: 71.853°
• Cell volume: 894.126 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No