Information card for entry 9001857

Structure parameters

• Mineral name: Gillespite
• Formula: Ca Cr O10 Si4
• Calculated formula: Ca Cr O10 Si4
• Title of publication: The synthetic Cr2+ silicates BaCrSi4O10 and SrCrSi4O10: The missing links in the gillespite-type ABSi4O10 series CaCrSi4O10
• Authors of publication: Miletich, R.; Allan, D. R.; Angel, R. J.
• Journal of publication: American Mineralogist
• Year of publication: 1997
• Journal volume: 82
• Pages of publication: 697 - 707
• a: 7.3772 Å
• b: 7.3772 Å
• c: 15.1231 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 823.046 ų
• Number of distinct elements: 4
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :2
• Hall space group symbol: -P 4a 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No