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Delrioite

Big Photo

Pahranagat District, Lincoln Co., Nevada, USA
© 2007, JGW

Formula:
CaSr[(OH)
 
2
|V
 
2
O
 
6
] · 3H
 
2
O
System:MonoclinicColour:Pale yellow-green
Lustre:VitreousHardness:2
Name: Named after A.M. del Rio (1764-1849), who in 1801 announced
the discovery of a new element, erythronium (turned out to be vanadium)
This page provides mineralogical data about Delrioite.

Classification of Delrioite

IMA status:Approved
Strunz 8th edition ID:4/G.07-70
Nickel-Strunz 10th (pending) edition ID:4.HG.35

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
G : Unclassified V oxides
Dana 8th edition ID:47.1.2.1

47 : VANADIUM OXYSALTS
1 : Normal Anhydrous Vanadium Oxysalts
Hey's CIM Ref.:21.2.14

21 : Vanadates (and vanadates with arsenate or phosphate)
2 : Vanadates of Mg, Ca, Sr or Ba
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Type Occurrence of Delrioite

Type Locality:Jo Dandy Mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA
Year of Discovery:1959

Physical Properties of Delrioite

Lustre:Vitreous
Colour:Pale yellow-green
Hardness (Mohs):2

Crystallography of Delrioite

Crystal System:Monoclinic
Cell Parameters:a = 17.17Å, b = 7.08Å, c = 14.64Å
β = 102.29°
Ratio:a:b:c = 2.425 : 1 : 2.068
Unit Cell Volume:V 1,738.91 ų (Calculated from Unit Cell)

Optical Data of Delrioite

Type:Biaxial (-)
RI values: nα = 1.783 nβ = 1.834 nγ = 1.866
Maximum Birefringence:δ = 0.083

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:extreme

Chemical Properties of Delrioite

Formula:
CaSr[(OH)
 
2
|V
 
2
O
 
6
] · 3H
 
2
O
Essential elements:Ca, H, O, Sr, V
All elements listed in formula:Ca, H, O, Sr, V

Relationship of Delrioite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HG.05Fervanite
Fe
 
4
(VO
 
4
)
 
4
·5H
 
2
O
4.HG.10Huemulite
Na
 
4
Mg[V
 
10
O
 
28
] · 24H
 
2
O
4.HG.15Vanalite
NaAl
 
8
V
 
10
O
 
38
·30H
 
2
O
4.HG.20Simplotite
CaV
 
4
O
 
9
·5H
 
2
O
4.HG.25Vanoxite
V
 
6
O
 
13
·8H
 
2
O
4.HG.30Navajoite
V
 
2
O
 
5
 · 3H
 
2
O
4.HG.40Metadelrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
]
4.HG.45Barnesite
Na
 
2
[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
4.HG.50Hendersonite
(Ca,Sr)
 
x
(V
5+
 
,V
4+
 
)
 
12
O
 
32
·12H
 
2
O (x about 2.6)
4.HG.55Grantsite
(Na
 
2
,Ca)[V
 
2
O
 
6
|(V
5+
 
,V
4+
 
)
 
4
O
 
10
] · 4H
 
2
O
4.HG.60Lenoblite
V
 
2
O
 
4
·2H
 
2
O
4.HG.65Satpaevite
Al
 
12
V
 
2
V
 
6
O
 
37
·30H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
21.2.1Metarossite
Ca[V
 
2
O
 
6
] · 2H
 
2
O
21.2.2Rossite
Ca[V
 
2
O
 
6
] · 4H
 
2
O
21.2.3Metahewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
21.2.4Hewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 9H
 
2
O
21.2.5Pintadoite
Ca
 
2
V
 
2
O
 
7
·9H
 
2
O
21.2.6Hendersonite
(Ca,Sr)
 
x
(V
5+
 
,V
4+
 
)
 
12
O
 
32
·12H
 
2
O (x about 2.6)
21.2.7Fernandinite
(Ca,K)[(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
4
O
 
10
]
 
2
 · 4H
 
2
O
21.2.8Pascoite
Ca
 
3
[V
 
10
O
 
28
] · 17H
 
2
O
21.2.9Sherwoodite
Ca
 
9
Al
 
2
V
 
4
V
 
24
O
 
80
·56H
 
2
O
21.2.10Melanovanadite
Ca
 
2
V
 
4
V
 
6
O
 
25
·nH
 
2
O
21.2.11Grantsite
(Na
 
2
,Ca)[V
 
2
O
 
6
|(V
5+
 
,V
4+
 
)
 
4
O
 
10
] · 4H
 
2
O
21.2.12Hummerite
K
 
2
Mg
 
2
[V
 
10
O
 
28
] · 16H
 
2
O
21.2.13Metadelrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
]
21.2.15Straczekite
(Ca,K,Ba)V
 
8
O
 
20
·3H
 
2
O
21.2.16Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)[OH|(VO
 
4
)
 
2
]

Other Names for Delrioite

Other Languages:
German:Delrioit
Spanish:Delrioita

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 Delrioite

Reference List:American Mineralogist: 44: 261-264.

American Mineralogist: 55: 185-200.

Internet Links for Delrioite

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    Localities for Delrioite

    (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.
    USA
     
    • Colorado
      • Montrose Co.
        • Uravan District
          • Paradox Valley
    		Amer.Min.(1959) 44, 261-264
    • Nevada
      • Lincoln Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Oct 2009 08:45:31