Terranovaite Mineral Data

General Terranovaite Information

Chemical Formula:

(Na,Ca)8(Si68Al12)O160•29(H2O)

Composition:

Molecular Weight = 5,573.13 gm

Potassium 0.14 % K 0.17 % K₂O

Sodium 1.73 % Na 2.34 % Na₂O

Calcium 2.66 % Ca 3.72 % CaO

Magnesium 0.09 % Mg 0.14 % MgO

Aluminum 5.95 % Al 11.25 % Al₂O₃

Silicon 34.12 % Si 72.99 % SiO₂

Hydrogen 1.05 % H 9.37 % H₂O

Oxygen 54.26 % O

______ ______

100.00 % 99.99 % = TOTAL OXIDE

Empirical Formula:

Na_4.2K_0.2Mg_0.2Ca_3.7Al_12.3Si_67.7O₁₆₀•29(H₂O)

Environment:

In cavities in dolorites.

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

The southwest crest, just below the summit of Mt. Adamson, Northern Victoria Land, Antarctica. Link to MinDat.org Location Data.

Name Origin:

For the Italian Antarctic Station at Terranova Bay, Antarctica.

Name Pronunciation:

Terranovaite + Pronunciation

Synonym:

ICSD 83466

IMA1995-026

Terranovaite Image

Images:

Terranovaite

Comments: B&W image of terranovaite crystal. (AmMin, v82:423).
Location: Jurassic Ferrar dolerites of Mt. Adamson, Northern Victoria Land, Antarctica. Scale: See Image.
© American Mineralogist

Terranovaite Crystallography

Axial Ratios:

a:b:c =0.4081:1:0.8403

Cell Dimensions:

a = 9.747, b = 23.88, c = 20.068, Z = 1; V = 4,670.99 Den(Calc)= 1.98

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mcm

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

By Intensity(I/I_o): 3.79(1)(025,240), 10.16(0.65)(002), 11.94(0.4)(020),3.61(0.4)(153), 9.04(0.33)(110),

Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 0 1 0) ( 1 1 0) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Galli E , Quartieri S , Vezzalini G , Alberti A , Franzini M , American Mineralogist , 82 (1997) p.423-429, Terranovaite from Antarctica: A new pentasil zeolite

Physical Properties of Terranovaite

Cleavage:

{010} Perfect, {001} Parting

Color:

Colorless, Bluish white.

Density:

1.98 - 2.13, Average = 2.05

Diaphaneity:

Transparent

Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Habit:

Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Terranovaite

Gladstone-Dale:

CI meas= -0.06 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.1 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2419,KPDmeas= 0.2331,KC= 0.2199
Ncalc = 1.44 - 1.47

Optical Data:

Biaxial (+), a=1.476, b=1.478, g=1.483, bire=0.0070

Calculated Properties of Terranovaite

Electron Density:

Bulk Density (Electron Density)=2.07 gm/cc
note: Specific Gravity of Terranovaite =2.06 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Terranovaite= 1.87 barns/electron
U=PE_Terranovaite x r_electron= 3.87 barns/cc.

Radioactivity:

GRapi = 2.06 (Gamma Ray American Petroleum Institute Units)
Concentration of Terranovaite per GRapi unit = 48.53 (%)

Estimated Radioactivity from Terranovaite - barely detectable

Terranovaite Classification

Dana Class:

77.01.06.09 (77)Tectosilicate Zeolite group

(77.01)true zeolites

(77.01.06)Mordenite and related species

77.01.06.01 Mordenite (Ca,Na2,K2)Al2Si10O24•7(H2O) C mc2₁ mm2

77.01.06.02 Epistilbite CaAl2Si6O16•5(H2O) C1 1

77.01.06.03 Maricopaite Pb7Ca2(Si,Al)48O100•32(H2O) Cm2m 2/m 2/m 2/m

77.01.06.04 Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96•25(H2O) C 2/m 2/m

77.01.06.05 Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48•13(H2O) C 2/m 2/m

77.01.06.06 Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m

77.01.06.06a Ferrierite-K! (K,Na)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m

77.01.06.06b Ferrierite-Na! (Na,K)2Mg(Si,Al)18O36•9(H2O) P 2₁/n 2/m

77.01.06.07 Boggsite NaCa2(Al5Si19O48)•17(H2O) I mma 2/m 2/m 2/m

77.01.06.08 Gottardiite! Na3Mg3Ca5Al19Si117O272•93(H2O) C mca 2/m 2/m 2/m

77.01.06.09 Terranovaite! (Na,Ca)8(Si68Al12)O160•29(H2O) C mcm 2/m 2/m 2/m

77.01.06.10 Mutinaite! Na3Ca4Si85Al11O192•60(H2O) P nma 2/m 2/m 2/m

77.01.06.12 Direnzoite! NaK6MgCa2(Al13Si47O120)•36H2O Pmmn 2/m 2/m 2/m

Strunz Class:

09.GF.05 09 - SILICATES (Germanates)

09.G - Tektosilicates with Zeolitic H2O

09.GF -Other Rare Zeolites

09.GF.05 Terranovaite! (Na,Ca)8(Si68Al12)O160•29(H2O) C mcm 2/m 2/m 2/m

Other Terranovaite Information

References:

NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.82,p423-429,1997) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Terranovaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
11 - WWW-MINCRYST

Search for Terranovaite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Terranovaite :

A Bijoux Google Search for Terranovaite
Adam's Minerals Google Search for Terranovaite
Cape Minerals Google Search for Terranovaite
Dakota Matrix Minerals Google Search for Terranovaite
Excalibur Mineral Corp. Google Search for Terranovaite
Exceptional Minerals Google Search for Terranovaite
John Betts Fine Minerals Search for Terranovaite
McDougall Minerals Google Search for Terranovaite
Mineral News Website Link
Rock and Mineral Shows Google Search for Terranovaite
Weinrich Minerals, Inc. Google Search for Terranovaite

Ask about Terranovaite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Terranovaite

(Na,Ca)8(Si68Al12)O160•29(H2O)
Dana No: 77.01.06.09 Strunz No: 09.GF.05
Locality:

Notes: