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Scolecite Mineral Data + |
General Scolecite Information |
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| CaAl2Si3O10·3(H2O) | |||
| Molecular Weight = 392.34 gm | |||
| Calcium 10.22 % Ca 14.29 % CaO | |||
| Aluminum 13.75 % Al 25.99 % Al2O3 | |||
| Silicon 21.48 % Si 45.94 % SiO2 | |||
| Hydrogen 1.54 % H 13.78 % H2O | |||
| Oxygen 53.01 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| CaAl2Si3O10·3(H2O) | |||
| Low temperature alteration of basalts and related rocks. | |||
| Valid Species (Pre-IMA) 1813 | |||
| Kaiserstuhl in Baden. Link to MinDat.org Location Data. | |||
| From the Greek, skolec = 'worm' in reference to the mineral's reaction to the blowpipe flame. | |||
| ICSD 30967 | |||
| PDF 41-1355 | |||
Scolecite Image | |||
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Scolecite Crystallography |
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| a:b:c =0.3438:1:0.5151 | |||
| a = 6.516, b = 18.948, c = 9.761, Z = 4; beta = 108.98° V = 1,139.62 Den(Calc)= 2.29 | |||
| Monoclinic - DomaticH-M Symbol (m) Space Group: Cc | |||
| By Intensity(I/Io): 2.882(1), 5.85(1), 6.59(0.9), | |||
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Mouse |
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Physical Properties of Scolecite |
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| [110] Perfect | |||
| Brownish, Colorless, White. | |||
| 2.16 - 2.4, Average = 2.28 | |||
| Transparent to subtranslucent | |||
| Brittle - Uneven - Very brittle fracture producing uneven fragments. | |||
| Massive - Fibrous - Distinctly fibrous fine-grained forms. | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| 5-5.5 - Apatite-Knife Blade | |||
| Non-fluorescent. | |||
| Vitreous - Silky | |||
| white | |||
Optical Properties of Scolecite |
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| CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2252,KPDmeas= 0.2262,KC= 0.2262 |
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| Biaxial (-), a=1.507-1.513, b=1.516-1.52, g=1.517-1.521, bire=0.0080-0.0100, 2V(Calc)=36-40, 2V(Meas)=36-56. Dispersion relatively strong. | |||
| colorless. | |||
| colorless. | |||
| colorless. | |||
Calculated Properties of Scolecite |
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relectron=2.30 gm/cc |
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| Fermion Index = 0.01042 Boson Index = 0.98958 |
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PEScolecite = 2.50 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Scolecite is Not Radioactive |
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Scolecite Classification |
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| 77.1.5.5 (77)Tectosilicate Zeolite group | |||
| (77.1)true zeolites | |||
| (77.1.5)Natrolite and related species | |||
| VIII/J.21-60 VIII - Silicates | |||
| VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites | |||
| VIII/J.21 - Zeolite group, Natrolite - Thomsonite series | |||
Other Scolecite Information |
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| NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Scolecite : 1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - HyperPhysics 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineralienatlas (Deutsch) 15 - Philatelic Mineralogy 16 - QUT Mineral Atlas 17 - Ruff.Info 18 - WWW-MINCRYST 19 - theimage Search for Scolecite using: Visit our Advertisers for Scolecite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Scolecite Mineral Data : Ask about Scolecite here : Print or Cut-and-Paste your Scolecite Specimen Label here :
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