Euchlorine Mineral Data

General Euchlorine Information

Chemical Formula:

KNaCu++3(SO4)3O

Composition:

Molecular Weight = 556.92 gm

Potassium 7.02 % K 8.46 % K₂O

Sodium 4.13 % Na 5.56 % Na₂O

Copper 34.23 % Cu 42.85 % CuO

Sulfur 17.27 % S 43.13 % SO₃

Oxygen 37.35 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

KNaCu₃(SO₄)₃O

Environment:

Sublimate around volcanic fumaroles.

IMA Status:

Valid Species (Pre-IMA) 1869

Locality:

Vesuvius, Campania, Italy. Link to MinDat.org Location Data.

Name Origin:

Named from the Greek for pale green, in allusion to the typical color.

Name Pronunciation:

Euchlorine + Pronunciation

Synonym:

ICSD 69451

PDF 45-1332

Euchlorine Image

Images:

Euchlorine

Comments: Olive green crusts of euchlorine on volcanic rock.
Location: Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Euchlorine Crystallography

Axial Ratios:

a:b:c =1.9522:1:1.5068

Cell Dimensions:

a = 18.41, b = 9.43, c = 14.21, Z = 8; beta = 113.7° V = 2,258.89 Den(Calc)= 3.27

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c

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

By Intensity(I/I_o): 8.44(1), 2.816(0.47), 2.544(0.45),

Physical Properties of Euchlorine

Color:

Dark green.

Density:

3.1 - 3.28, Average = 3.19

Diaphaneity:

Transparent

Streak:

pistachio green

Optical Properties of Euchlorine

Gladstone-Dale:

CI meas= -0.084 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.057 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1864,KPDmeas= 0.1911,KC= 0.1763
Ncalc = 1.55 - 1.58

Optical Data:

Biaxial (+), a=1.58, b=1.605, g=1.644, bire=0.0640

Calculated Properties of Euchlorine

Electron Density:

Bulk Density (Electron Density)=3.16 gm/cc
note: Specific Gravity of Euchlorine =3.27 gm/cc.

Fermion Index:

Fermion Index = 0.0014831907
Boson Index = 0.9985168093

Photoelectric:

PE_Euchlorine= 16.77 barns/electron
U=PE_Euchlorine x r_electron= 52.99 barns/cc.

Radioactivity:

GRapi = 97.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Euchlorine per GRapi unit = 1.02 (%)

Estimated Radioactivity from Euchlorine - barely detectable

Euchlorine Classification

Dana Class:

30.03.01.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen

(30.03)with miscellaneous formulae

(30.03.01)Dana Group

30.03.01.01 Euchlorine KNaCu3(SO4)3O C 2/c 2/m

Strunz Class:

07.BC.30 07 - SULFATES (SELENATES, TELLURATES)

07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O

07.BC -With medium-sized and large cations

07.BC.30 Euchlorine KNaCu3(SO4)3O C 2/c 2/m

07.BC.30 Fedotovite K2Cu3(SO4)3O P 2₁/c 2/m

Other Euchlorine Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Euchlorine :
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 - WWW-MINCRYST

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

Euchlorine

KNaCu++3(SO4)3O
Dana No: 30.03.01.01 Strunz No: 07.BC.30
Locality:

Notes:

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