[Current Minerals] [Order Status] [Policies] [e-Bay Items] B & L Minerals, Fine Mineral specimens for sale for collectors of all levels General Gasparite-(Ce) InformationCeAsO4 |
Molecular Weight = 279.03 gm |
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Cerium 50.21 % Ce 58.82 % Ce2O3 |
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Arsenic 26.85 % As 41.18 % As2O5 |
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Oxygen 22.94 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Ce(AsO4) |
In fissures, replacing synchysite, formed by amphibolite-grade metamorphism of metasedimentary rocks. |
Approved IMA 1987 |
Southeastern slope of Pizzo Cervandone, Alpe Devero, Val d’Aosta, Piedmont, Italy. Link to MinDat.org Location Data. |
Named for Giovanni Gaspari, mineral collector of Crodo, Italy, who first found the mineral, and for its dominant cerium content. |
Gasparite-(Ce) + Pronunciation |
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Gasparite-(Ce) Crystallographya:b:c =0.9719:1:0.944 |
a = 6.937, b = 7.137, c = 6.738, Z = 4; beta = 104.69° V = 322.69 Den(Calc)= 5.74 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n |
By Intensity(I/Io): 3.156(1), 3.355(0.77), 2.966(0.7), |
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| Physical Properties of Gasparite-(Ce)Brownish red. |
Transparent to Translucent |
5 - Apatite |
Vitreous - Resinous |
white |
| Optical Properties of Gasparite-(Ce) CI calc= 0.02 (Excellent) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.1484,KC= 0.1514 Ncalc = 1.87 Biaxial (+), a=1.81, b=1.825, g=1.92, bire=0.1100, 2V(Calc)=46, 2V(Meas)=40-45. |
| Calculated Properties of Gasparite-(Ce)Bulk Density (Electron Density)=5.06 gm/cc |
note: Specific Gravity of Gasparite-(Ce) =5.74 gm/cc. Fermion Index = 0.0001100899 |
Boson Index = 0.9998899101 PEGasparite-(Ce) = 282.67 barns/electron |
U=PEGasparite-(Ce) x relectron=1,430.42 barns/cc. |
GRapi = 47,220.84 (Gamma Ray American Petroleum Institute Units)
Gasparite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
644.14 ±161.03 grams of pure Gasparite-(Ce) .
Weight of pure Gasparite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.74 gm/cc.* | Gasparite-(Ce) Classification38.04.03.06 (38)Anhydrous Phosphates, etc |
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(38.04)A+ XO4 |
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(38.04.03)Monazite Group (Monoclinic: P21/n) |
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08.AD.50 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AD -With only large cations |
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| Other Gasparite-(Ce) InformationNAME( AntBidBlaNic5) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(Bull.Miner.,Vol.107-111,1984-1988) |
Links to other databases for Gasparite-(Ce) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (UofA) 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Gasparite-(Ce) using: Visit our Advertisers for Gasparite-(Ce) : 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 Gasparite-(Ce) Mineral Data : Ask about Gasparite-(Ce) here : Print or Cut-and-Paste your Gasparite-(Ce) Specimen Label here :
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