[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community. Articles are solicited from collector and scientific authors. General Ellestadite InformationCa5(SiO4,PO4,SO4)3(F,OH,Cl) |
Molecular Weight = 500.48 gm |
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Calcium 40.04 % Ca 56.02 % CaO |
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Silicon 10.10 % Si 21.61 % SiO2 |
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Phosphorus 5.57 % P 12.76 % P2O5 |
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Hydrogen 0.06 % H 0.54 % H2O |
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Sulfur 1.92 % S 4.80 % SO3 |
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Chlorine 0.71 % Cl 0.71 % Cl |
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- %
Cl -0.16 % -O=Cl2 |
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Oxygen 39.32 % O |
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Fluorine 2.28 % F 2.28 % F |
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- %
F -0.96 % -O=F2 |
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______ ______ |
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100.00 % 97.60 % = TOTAL OXIDE |
Ca5(SiO4)1.8(PO4)0.9(SO4)0.3F0.6(OH)0.3Cl0.1 |
Metamorphosed limestone. Group name for hydroxylellestadite - chlorellestadite series. |
Not Approved IMA |
Crestmore quarry, 5 miles NW of Riverside, Riverside Co. California. Link to MinDat.org Location Data. |
Named for Reuben B. Ellestad (1900-1993), American analytical chemist of Minneapolis, Minnesota, USA. |
ICSD 39775 |
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PDF 25-173 |
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Wilkeite |
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Ellestadite Crystallography Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m |
| Optical Properties of Ellestadite |
| Calculated Properties of EllestaditeFermion Index = 0.0055907355 |
Boson Index = 0.9944092645 PEEllestadite = 5.75 barns/electron |
U=PEEllestadite x rElectron Density= . barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ellestadite is Not Radioactive | Ellestadite Classification52.04.09.00 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O |
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(52.04)with cations in [6] and/or > [6] coordination |
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(52.04.09)Silicate apatites |
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09.AH.25 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AH -Nesosilicates with CO3, SO4, PO4, etc. |
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| Other Ellestadite Information Links to other databases for Ellestadite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info 11 - WWW-MINCRYST Search for Ellestadite using: Visit our Advertisers for Ellestadite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Ellestadite Mineral Data : Ask about Ellestadite here : Print or Cut-and-Paste your Ellestadite Specimen Label here :
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