[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 Sanderite InformationMgSO4•2(H2O) |
Molecular Weight = 156.40 gm |
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Magnesium 15.54 % Mg 25.77 % MgO |
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Hydrogen 2.58 % H 23.04 % H2O |
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Sulfur 20.50 % S 51.19 % SO3 |
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Oxygen 61.38 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Mg(SO4)•2(H2O) |
Structure analyzed from synthetic material. |
Valid Species (Pre-IMA) 1952 |
Efflorescences on kieserite at the Hansa I shaft, Empelde, and the Niedersachsen shaft, near Wathlingen, Austria. Link to MinDat.org Location Data. |
Named for Bruno Sander (1884-1979), Austrian geologist, Alte Universitat, Innsbruck, Austria. |
Sanderite + Pronunciation |
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| | Sanderite Crystallographya:b:c =1.0477:1:1.4655 |
a = 8.8932, b = 8.4881, c = 12.4401, Z = 8; V = 939.06 Den(Calc)= 2.21 |
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121 |
By Intensity(I/Io): 3.1(1), 4.25(0.9), 4.42(0.8), |
| Physical Properties of SanderiteWhite. |
2.37 |
Transparent |
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation. |
Vitreous (Glassy) |
white |
| Optical Properties of SanderiteBiaxial (?) |
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NCalc= 1.49 - from Gladstone-Dale relationship (KC = 0.2205) where Ncalc=Dcalc*KC+1 |
NCalc= 1.52 - from Gladstone-Dale relationship (KC = 0.2205) where Ncalc=Dmeas*KC+1 | Calculated Properties of SanderiteBulk Density (Electron Density)=2.26 gm/cc |
note: Specific Gravity of Sanderite =2.21 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PESanderite = 1.64 barns/electron |
U=PESanderite x rElectron Density= 3.70 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Sanderite is Not Radioactive | Sanderite Classification29.06.04.01 (29)Hydrated Acid and Sulfates |
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(29.06)where A XO4 · x(H2O) |
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(29.06.04)Dana Group |
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07.CB.07 07 - SULFATES (SELENATES, TELLURATES) |
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07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O |
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07.CB -With only medium-sized cations |
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| Other Sanderite InformationPHYS. PROP.(Dana8, AmMin, v94:622) |
Links to other databases for Sanderite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Sanderite using: Visit our Advertisers for Sanderite : 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 Sanderite Mineral Data : Ask about Sanderite here : Print or Cut-and-Paste your Sanderite Specimen Label here :
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