Nasonite Mineral Data

General Nasonite Information

Chemical Formula:

Pb6Ca4Si6O21Cl2

Composition:

Molecular Weight = 1,983.71 gm

Calcium 8.89 % Ca 12.44 % CaO

Silicon 7.93 % Si 16.96 % SiO₂

Lead 62.67 % Pb 67.51 % PbO

Chlorine 3.57 % Cl 3.57 % Cl

- % Cl -0.81 % -O=Cl₂

Oxygen 16.94 % O

______ ______

100.00 % 99.68 % = TOTAL OXIDE

Empirical Formula:

Pb₆Ca_4.4Si_5.6O₂₁Cl₂

Environment:

Metamorphosed Mn-Zn deposit.

IMA Status:

Valid Species (Pre-IMA) 1899

Locality:

Franklin, Sussex Co., New Jersy, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Frank Lewis Nason (1856-1928), American geologist, Geological Survey of New Jersey.

Name Pronunciation:

Nasonite

Synonym:

ICSD 34848

PDF 14-328

Nasonite Image

Images:

Nasonite Epidote-(Pb)

Comments: Colorless, transparent hexagonal prism of nasonite on reddish brown hancockite (epidote-(Pb)).
Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nasonite Crystallography

Axial Ratios:

a:c = 1:1.31646

Cell Dimensions:

a = 10.08, c = 13.27, Z = 2; V = 1,167.68 Den(Calc)= 5.64

Crystal System:

Hexagonal - Dipyramidal H-M Symbol (6/m) Space Group: P 6₃/m

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

By Intensity(I/I_o): 1.81(1), 3.27(1), 3.16(0.9),

Physical Properties of Nasonite

Cleavage:

{0001} Good, {h00} Indistinct

Color:

White.

Density:

5.42 - 5.5, Average = 5.46

Diaphaneity:

Transparent to translucent

Habit:

Cleaveable - Easily cleaved into fragments.

Habit:

Massive - Granular - Common texture observed in granite and other igneous rock.

Hardness:

4 - Fluorite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Adamantine

Magnetism:

Nonmagnetic

Streak:

white

Optical Properties of Nasonite

Gladstone-Dale:

CI meas= -0.057 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1663,KPDmeas= 0.1718,KC= 0.1625
Ncalc = 1.88 - 1.92

Optical Data:

Uniaxial (+), w=1.913-1.945, e=1.923-1.971, bire=0.0100-0.0260.

Calculated Properties of Nasonite

Electron Density:

Bulk Density (Electron Density)=4.89 gm/cc
note: Specific Gravity of Nasonite =5.64 gm/cc.

Fermion Index:

Fermion Index = 0.14
Boson Index = 0.86

Photoelectric:

PE_Nasonite=1,110.90 barns/electron
U=PE_Nasonite x rElectron Density=5,435.07 barns/cc.

Radioactivity:

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

Nasonite Classification

Dana Class:

56.02.11.01 (56)Sorosilicate Si2O7 Groups and O, OH, F. and H2O

(56.02)with cations in [4] and/or >[4] coordination

(56.02.11)Dana Group

56.02.11.01 Nasonite Pb6Ca4Si6O21Cl2 P 6₃/m 6/m

Strunz Class:

09.BE.77 09 - SILICATES (Germanates)

09.B - Sorosilicates

09.BE -Si2O7 groups with additional anions;

09.BE.77 Nasonite Pb6Ca4Si6O21Cl2 P 6₃/m 6/m

Other Nasonite Information

References:

NAME( Ford32) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(Ford32)

See Also:

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

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

Nasonite

Pb6Ca4Si6O21Cl2
Dana No: 56.02.11.01 Strunz No: 09.BE.77
Locality:

Notes:

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