Morinite Mineral Data

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General Morinite Information

Chemical Formula:

NaCa2Al2(PO4)2(F,OH)5•2(H2O)

Composition:

Molecular Weight = 475.59 gm

Sodium 4.83 % Na 6.52 % Na₂O

Calcium 16.85 % Ca 23.58 % CaO

Aluminum 11.35 % Al 21.44 % Al₂O₃

Phosphorus 13.03 % P 29.85 % P₂O₅

Hydrogen 1.11 % H 9.94 % H₂O

Oxygen 37.85 % O

Fluorine 14.98 % F 14.98 % F

- % F -6.31 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaCa₂Al₂(PO₄)₂F_3.75(OH)_1.25•2(H₂O)

Environment:

Late-stage mineral in complex granite pegmatites.

IMA Status:

Valid Species (Pre-IMA) 1891

Locality:

Montebras, Creuse, France. Link to MinDat.org Location Data.

Name Origin:

Named for E.A. Morineau, Director of the tin mine, Montebras, France, who supplied the first specimens.

Name Pronunciation:

Morinite

Synonym:

ICSD 300001

Jezekite

PDF 33-1219

Morinite Image

Images:

Morinite

Comments: Pale violet crystalline morinite in white crystalline fluorapatite.
Location: Hugo Mine, Keystone, Pennington County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Morinite

Comments: Sky blue spheroidal to globular cyrstals of cuprian morinite to 1mm with other phosphates.
Location: Silver Coin Mine, Humboldt Co., Nevada, USA. Scale: Overall: 6 x 5 x 2.5 cm.
© Tom Loomis / Dakota Matrix

Morinite Crystallography

Axial Ratios:

a:b:c =0.8842:1:0.5091

Cell Dimensions:

a = 9.454, b = 10.692, c = 5.444, Z = 2; beta = 105.46° V = 530.38 Den(Calc)= 2.98

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.468(1), 2.948(0.86), 2.887(0.76),

Forms:

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Forms: ( 0 1 2) ( 1 0 2) ( 0 1 0) ( 0 1 1) ( 1 0 4) ( 1 1 0) ( 1 0 0) ( 0 0 1)

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Crystal Structure:

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Hawthorne F C , The Canadian Mineralogist , 17 (1979) p.93-102, The crystal structure of morinite

Physical Properties of Morinite

Cleavage:

{100} Perfect, {001} Indistinct

Color:

Colorless, White, Light pink, Pink.

Density:

2.962

Diaphaneity:

Translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous - Greasy

Streak:

white

Optical Properties of Morinite

Optical Data:

Biaxial (-), a=1.551, b=1.563, g=1.565, bire=0.0140, 2V(Calc)=44, 2V(Meas)=43.

Calculated Properties of Morinite

Electron Density:

Bulk Density (Electron Density)=2.96 gm/cc
note: Specific Gravity of Morinite =2.98 gm/cc.

Fermion Index:

Fermion Index = 0.0004108645
Boson Index = 0.9995891355

Photoelectric:

PE_Morinite= 3.20 barns/electron
U=PE_Morinite x rElectron Density= 9.48 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Morinite is Not Radioactive

Morinite Classification

Dana Class:

42.04.02.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.04)where (AB)5 (XO4)2 Zq · x(H2O)

(42.04.02)Morinite Group

42.04.02.01 Morinite NaCa2Al2(PO4)2(F,OH)5•2(H2O) P 2₁/m 2/m

42.04.02.02 Esperanzaite! NaCa2Al2(AsO4)2F4(OH)•2(H2O) P 2₁/m 2/m

Strunz Class:

08.DM.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DM -With large and medium-sized cations, (OH, etc.):RO4 > 2:1

08.DM.05 Morinite NaCa2Al2(PO4)2(F,OH)5•2(H2O) P 2₁/m 2/m

08.DM.05 Esperanzaite! NaCa2Al2(AsO4)2F4(OH)•2(H2O) P 2₁/m 2/m

Other Morinite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Morinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Scandinavian mineral gallery
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Morinite Specimen Label here :

Morinite

NaCa2Al2(PO4)2(F,OH)5•2(H2O)
Dana No: 42.04.02.01 Strunz No: 08.DM.05
Locality:

Notes: