Mineralogy Database

Hydrozincite Mineral Data

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General Hydrozincite Information

Help on Chemical  Formula: Chemical Formula: Zn5(CO3)2(OH)6
Help on Composition: Composition: Molecular Weight = 549.01 gm
   Zinc      59.55 %  Zn   74.12 % ZnO
   Hydrogen   1.10 %  H     9.84 % H2O
   Carbon     4.38 %  C    16.03 % CO2
   Oxygen    34.97 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn5(CO3)2(OH)6
Help on Environment: Environment: Secondary mineral in the oxidized portions of zinc deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1853
Help on Locality: Locality: Bleiberg, in Carinthia, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition.
Help on Name Pronunciation: Name Pronunciation: Hydrozincite + Pronunciation Say HYDROZINCITE
Help on Synonym: Synonym: Marionite
  Zinc Bloom
 

Hydrozincite Image

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  Hydrozincite

Comments: Well crystallized, colorless hydrozincite crystals encrusting a limonitic gossan matrix. Fluoresces bright blue-white under UV illumination.
Location: Ojuela mine, Mapimí, Mun. de Mapimí, Durango, Mexico. Scale: 3x3x2 cm.
© John Betts - Fine Minerals

Hydrozincite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1327:1:0.8493
Help on Cell Dimensions: Cell Dimensions: a = 13.479, b = 6.32, c = 5.368, Z = 2; beta = 95.6° V = 455.10 Den(Calc)= 4.01
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.66(1), 2.72(0.7), 3.14(0.5),
 

Physical Properties of Hydrozincite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: White, Yellowish white, Grayish white, Pinkish white, Bluish white.
Help on Density: Density: 3.2 - 3.8, Average = 3.5
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=blue white, Long UV=blue white.
Help on Luster: Luster: Pearly
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Hydrozincite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.044 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.089 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1681,KPDmeas= 0.1926,KC= 0.1844
Ncalc = 1.59 - 1.74
Help on Optical Data: Optical Data: Biaxial (-), a=1.63, b=1.642, g=1.75, bire=0.1200, 2V(Calc)=40, 2V(Meas)=40. Dispersion relatively strong.
 

Calculated Properties of Hydrozincite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.37 gm/cc
note: Specific Gravity of Hydrozincite =3.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEHydrozincite = 29.69 barns/electron
U=PEHydrozincite x rElectron Density= 99.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydrozincite is Not Radioactive
 

Hydrozincite Classification

Help on  Dana Class: Dana Class: 16a.04.01.01 (16a)Carbonates - Hydroxyl or Halogen
  (16a.04)where (A B)5 (XO3)2 Zq
  (16a.04.01)Dana Group
 
16a.04.01.01 Hydrozincite Zn5(CO3)2(OH)6 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 05.BA.15 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BA -With Cu, Co, Ni, Zn, Mg, Mn
 
05.BA.15 Aurichalcite (Zn,Cu)5(CO3)2(OH)6 P 21/m 2/m
 
05.BA.15 Hydrozincite Zn5(CO3)2(OH)6 C 2/m 2/m
 

Other Hydrozincite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Hydrozincite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - Franklin Minerals(Dunn)
9 - Franklin Minerals(Palache)
10 - GeoScienceWorld
11 - Google Images
12 - Google Scholar
13 - Handbook of Mineralogy (MinSocAm)
14 - Handbook of Mineralogy (UofA)
15 - MinDAT
16 - Mineral and Gemstone Kingdom
17 - Mineralienatlas (Deutsch)
18 - Online Mineral Museum
19 - QUT Mineral Atlas
20 - Ruff.Info
21 - WWW-MINCRYST

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

Hydrozincite

Zn5(CO3)2(OH)6
Dana No: 16a.04.01.01 Strunz No: 05.BA.15
Locality:

 

Notes:

 

 
   
 


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