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Aluminomagnesiohulsite

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Formula:
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)(BO
 
3
)O
 
2
System:MonoclinicColour:black
Hardness:6
Member of:Pinakiolite Group
Name:In allusion to the dominance of aluminum in the composition and its chemical relationship to Magnesiohulsite.


Aluminium dominant analogue of Magnesiohulsite.

Classification of Aluminomagnesiohulsite

IMA status:Approved 2002
Strunz 8th edition ID:5/G.03-25
Nickel-Strunz 10th (pending) edition ID:6.AB.45

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
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Type Occurrence of Aluminomagnesiohulsite

Type Locality:Kebirnin'ya creek, Dogdo river, Yana River Basin, Verkhoyansk, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
General Appearance of Type Material:minute stubby prisms to 0.1 mm, included in fibrous ludwigite
Geological Setting of type material:in a spinel bearing kotoite marble
Associated Minerals at type locality:
Pertsevite-(F)LudwigiteCalcite

Physical Properties of Aluminomagnesiohulsite

Lustre:Adamantine
Colour:black
Streak:dark brown
Hardness (Mohs):6
Density (measured):3.84 g/cm3

Crystallography of Aluminomagnesiohulsite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 5.334Å, b = 3.03Å, c = 10.5Å
β = 94.46°
Ratio:a:b:c = 1.76 : 1 : 3.465
Unit Cell Volume:V 169.19 ų (Calculated from Unit Cell)
Twinning:common
X-Ray Powder Diffraction:
d-spacingIntensity
5.24 (50)
2.62 (50)
2.53 (100)
2.00 (55)

Chemical Properties of Aluminomagnesiohulsite

Formula:
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)(BO
 
3
)O
 
2
Essential elements:Al, B, Mg, O
All elements listed in formula:Al, B, Fe, Mg, O, Sn

Relationship of Aluminomagnesiohulsite to other Species

Member of:Pinakiolite Group
Other Members of Group:

- +
Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)(BO
 
3
)O
 
2
Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)(BO
 
3
)O
 
2
Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
(BO
 
3
)O
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
6.AB.05Hambergite
Be
 
2
(BO
 
3
)(OH)
6.AB.10Berborite
Be
 
2
(BO
 
3
)(OH,F) · H
 
2
O
6.AB.15Jeremejevite
Al
 
6
(BO
 
3
)
 
5
(F,OH)
 
3
6.AB.20Warwickite
(Mg,Fe
2+
 
)
 
3
Ti(BO
 
3
)
 
2
O
 
2
6.AB.20Yuanfuliite
Mg(Fe
3+
 
,Fe
2+
 
,Al,Ti,Mg)(BO
 
3
)O
6.AB.25Karlite
Mg
 
7
(BO
 
3
)
 
3
(OH,Cl)
 
5
6.AB.30Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)(BO
 
3
)O
 
2
6.AB.30Bonaccordite
Ni
 
2
Fe
3+
 
(BO
 
3
)O
 
2
6.AB.30Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.30Ludwigite
Mg
 
2
Fe
3+
 
(BO
 
3
)O
 
2
6.AB.30Vonsenite
Fe
2+
2
Fe
3+
 
(BO
 
3
)O
 
2
6.AB.35Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
(BO
 
3
)O
 
2
6.AB.40Blatterite
(Mn
2+
 
,Mg)
 
2
(Mn
3+
 
,Sb
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.40Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)(BO
 
3
)O
 
2
6.AB.40Orthopinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
(BO
 
3
)O
 
2
6.AB.40Takéuchiite
(Mg,Mn
2+
 
)
 
2
(Mn
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.45Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)(BO
 
3
)O
 
2
6.AB.45Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)(BO
 
3
)O
 
2
6.AB.50Fluoborite
Mg
 
3
(BO
 
3
)(F,OH)
 
3
6.AB.50Hydroxylborite
Mg
 
3
(BO
 
3
)(OH)
 
3
6.AB.55Shabynite
Mg
 
5
(BO
 
3
)(OH)
 
5
(Cl,OH)
 
2
 · 4H
 
2
O
6.AB.55Wightmanite
Mg
 
5
(BO
 
3
)O(OH)
 
5
 · 2H
 
2
O
6.AB.60Gaudefroyite
Ca
 
4
Mn
3+
2-3
(BO
 
3
)
 
3
(CO
 
3
)(O,OH)
 
3
6.AB.65Sakhaite
Ca
 
12
Mg
 
4
(BO
 
3
)
 
7
(CO
 
3
)
 
4
(OH)
 
2
Cl
6.AB.70Harkerite
Ca
 
12
Mg
 
4
Al(BO
 
3
)
 
3
(SiO
 
4
)
 
4
(CO
 
3
)
 
5
 · H
 
2
O
6.AB.75Pertsevite-(F)
Mg
 
2
(BO
 
3
)(F,OH)
6.AB.75Pertsevite-(OH)
Mg
 
2
(BO
 
3
)(OH)
6.AB.80Jacquesdietrichite
Cu
 
2
(H
 
2
BO
 
3
)(OH)
 
3
6.AB.85Painite
CaZrAl
 
9
(BO
 
3
)O
 
15

Other Names for Aluminomagnesiohulsite

Synonyms:
IMA2002-038
Other Languages:
German:Alumino-Magnesiohulsit
Russian:Алюминомагнезиогулцит

Other Information

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 Aluminomagnesiohulsite

Reference List:

- +
Pertsev, N.N., et al.: European Journal of Mineraleralogy (2004): 16: 151-161.

Internet Links for Aluminomagnesiohulsite

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    • Localities for Aluminomagnesiohulsite

    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.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Verkhoyansk
          • Yana River Basin
            • Dogdo river
    		N.N. Pertsev et al.: Eur. J. Mineral. 16:151-161 (2004)
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