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Barićite

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Rapid Creek, Dawson Mining District, Yukon Territory, Canada
© Paul Bongaerts

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Formula:
(Mg,Fe)
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
System:MonoclinicColour:Pale blue, Medium blue, ...
Lustre:Sub-Vitreous, Resinous, PearlyHardness:1½ - 2
Member of:Vivianite Group
Name:Named by Bozidar Darko Sturman and Joseph A. Mandarino in 1976 in honor of Professor Ljudevit Barić [October 20, 1902 Zagreb - September 19, 1984 Hrvatski], Croatian Mineralogist, University of Zagreb.
Dimorph of:Bobierrite


Vivianite Group.

Classification of Barićite

IMA status:Approved
Strunz 8th edition ID:7/C.13-30
Nickel-Strunz 10th (pending) edition ID:8.CE.40

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
Dana 8th edition ID:40.3.6.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
Hey's CIM Ref.:19.3.20

19 : Phosphates
3 : Phosphates of Be and Mg
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Type Occurrence of Barićite

Co-type Localities:Big Fish River, Dawson Mining District, Yukon Territory, Canada
Rapid Creek, Dawson Mining District, Yukon Territory, Canada
General Appearance of Type Material:Blue platy crystals and cleavages
Geological Setting of type material:Phosphate veins in ironstone
Associated Minerals at type locality:
Whiteite-(CaFeMg)VivianiteSideriteQuartzLazulite
CollinsiteChildrenite

Physical Properties of Barićite

Lustre:Sub-Vitreous, Resinous, Pearly
Diaphaneity (Transparency):Transparent
Comment:Pearly on {010}
Colour:Pale blue, Medium blue, Colorless
Comment:Darkens on exposure to sunlight
Streak:White to pale blue
Hardness (Mohs):1½ - 2
Tenacity:Flexible
Cleavage:Perfect
{010}
Density (measured):2.35 - 2.42 g/cm3
Density (calculated):2.448 g/cm3

Crystallography of Barićite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Space Group Setting:C2/m
Cell Parameters:a = 10.075Å, b = 13.416Å, c = 4.760Å
β = 104.87°
Ratio:a:b:c = 0.751 : 1 : 0.355
Unit Cell Volume:V 621.84 ų (Calculated from Unit Cell)
Z:2
Morphology:Platy cleavages or bladed crystals.
X-Ray Powder Diffraction:
d-spacingIntensity
6.71 (100)
3.196 (40)
2.956 (60)
2.699 (70)
2.526 (50)
2.418 (35)
2.217 (30)
Comments:ICDD 29-705

Optical Data of Barićite

Type:Biaxial (+)
RI values: nα = 1.547 - 1.554 nβ = 1.553 - 1.564 nγ = 1.582 - 1.595
2V:Measured: 55° to 60°, Calculated: 60° to 62°
Birefringence:0.038
Maximum Birefringence:δ = 0.035 - 0.041

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r < v weak
Optical Extinction:X=b, Z^c = 28°-30°
Pleochroism:Visible
Comments:X = blue, Y,Z = colorless

Chemical Properties of Barićite

Formula:
(Mg,Fe)
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Essential elements:H, Mg, O, P
All elements listed in formula:Fe, H, Mg, O, P

Relationship of Barićite to other Species

Member of:Vivianite Group
Other Members of Group:

- +
Annabergite
Ni
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Arupite
Ni
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Erythrite
Co
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Köttigite
Zn
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Vivianite
Fe
2+
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CE.05Chudobaite
(Mg,Zn)
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.05Geigerite
Mn
2+
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.10Newberyite
Mg(HPO
 
4
) · 3H
 
2
O
8.CE.15Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
8.CE.20Phosphorrösslerite
Mg(HPO
 
4
) · 7H
 
2
O
8.CE.20Rösslerite
Mg(HAsO
 
4
) · 7H
 
2
O
8.CE.25Metaswitzerite
Mn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.25Switzerite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
 · 7H
 
2
O
8.CE.30Lindackerite
CuCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 8-9H
 
2
O
8.CE.30Ondrušite
CaCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.30Veselovskýite
ZnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Klajite
MnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9-10H
 
2
O
8.CE.35Bobierrite
Mg
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Annabergite
Ni
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Arupite
Ni
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Erythrite
Co
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Ferrisymplesite
Fe
3+
3
(AsO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
8.CE.40Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Köttigite
Zn
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Vivianite
Fe
2+
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Pakhomovskyite
Co
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.45Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.50Cattiite
Mg
 
3
(PO
 
4
)
 
2
 · 22H
 
2
O
8.CE.55Koninckite
Fe
3+
 
PO
 
4
 · 3H
 
2
O
8.CE.60Kaňkite
FeAsO
 
4
 · 3.5H
 
2
O
8.CE.65Steigerite
Al(VO
 
4
) · 3H
 
2
O
8.CE.70Metaschoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 6H
 
2
O
8.CE.70Schoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 8H
 
2
O
8.CE.75Malhmoodite
FeZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Zigrasite
MgZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Unnamed (Ca-analogue of Zigrasite)
CaZr[PO
 
4
]
 
2
 · 4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
(PO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
8.CE.85Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
 · 8(H
 
2
O,OH)
8.CE.85Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x · (8-x)H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.3.1Moraesite
Be
 
2
(PO
 
4
)(OH) · 4H
 
2
O
19.3.2Beryllonite
NaBePO
 
4
19.3.3Hurlbutite
CaBe
 
2
(PO
 
4
)
 
2
19.3.4Hydroxylherderite
CaBe(PO
 
4
)(OH,F)
19.3.5Glucine
CaBe
 
4
(PO
 
4
)
 
2
(OH)
 
4
 · 0.5H
 
2
O
19.3.6Fransoletite
Ca
 
3
Be
 
2
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
 · 4H
 
2
O
19.3.7Uralolite
Ca
 
2
Be
 
4
(PO
 
4
)
 
3
(OH)
 
3
 · 5H
 
2
O
19.3.9Pahasapaite
Li
 
8
(Ca,Li,K)
 
10.5
Be
 
24
(PO
 
4
)
 
24
 · 38H
 
2
O
19.3.10Tiptopite
K
 
2
(Na,Ca)
 
2
Li
 
3
Be
 
6
(PO
 
4
)
 
6
(OH)
 
2
 · H
 
2
O
19.3.11Gainesite
Na(Na,K)(Be,Li)Zr
 
2
(PO
 
4
)
 
4
 · 1.5-2H
 
2
O
19.3.12Roscherite
Ca
 
2
Mn
2+
5
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
19.3.13Faheyite
(Mn,Mg,Na)Be
 
2
Fe
 
2
(PO
 
4
)
 
4
 · 6H
 
2
O
19.3.14Farringtonite
Mg
 
3
(PO
 
4
)
 
2
19.3.15Holtedahlite
Mg
 
2
(PO
 
4
)(OH)
19.3.16Althausite
Mg
 
2
(PO
 
4
)(OH,F)
19.3.17Newberyite
Mg(HPO
 
4
) · 3H
 
2
O
19.3.18Phosphorrösslerite
Mg(HPO
 
4
) · 7H
 
2
O
19.3.19Bobierrite
Mg
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
19.3.21Panethite
(Na,Ca)
 
2
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)
 
2
19.3.22Dittmarite
(NH
 
4
)Mg(PO
 
4
) · H
 
2
O
19.3.23Struvite
(NH
 
4
)Mg(PO
 
4
) · 6H
 
2
O
19.3.24Hannayite
(NH
 
4
)
 
2
Mg
 
3
H
 
4
(PO
 
4
)
 
4
 · 8H
 
2
O

Other Names for Barićite

Synonyms:
BaráciteIMA1975-027
Other Languages:
German:Barácit
Baričit
Russian:Баричит
Spanish:Barácita
Baričita

Other Information

Fluorescence in UV light:Not fluorescent.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Barićite

Reference List:

- +
Sturman B. Darko and Mandarino, J. A., 1976, Barićite, the Magnesium Analogue of Vivianite, from Yukon Territory, Canada, Canadiab Mineralogist 14: 403-406.

American Mineralogist: 61: 1053.

Rodgers, K. A., 1987, Baraćite [Barićite], a Further Occurrance, Neues Jahrbuch fuer Mineralogie Monantsch., 183-192.

Internet Links for Barićite

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    • Localities for Barićite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Yukon Territory
      • Dawson Mining District
    		Can.Min.(1976) 14, 403-406
    [Can.Min.(1976) 14, 403-406; Can Min 39 (2001), 1317; Mineralogical Record Vol 23 No.4 pp 18]
    New Zealand
     
    • South Island
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
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