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Florencite-(Nd)

Formula:
NdAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
Hardness:5 - 6
Name:After Dr. W. Florence, who made a preliminary chemical examination of the mineral, and the "-(Nd)" suffix in allusion to Neodymium being the dominant REE in the composition.
This page provides mineralogical data about Florencite-(Nd).

Classification of Florencite-(Nd)

IMA status:Approved
Strunz 8th edition ID:7/B.36-140
Nickel-Strunz 10th (pending) edition ID:8.BL.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
Dana 8th edition ID:41.5.10.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:19.9.12

19 : Phosphates
9 : Phosphates of rare earths and Sc
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Type Occurrence of Florencite-(Nd)

Type Locality:Sausalito, Marin Co., California, USA

Physical Properties of Florencite-(Nd)

Hardness (Mohs):5 - 6

Optical Data of Florencite-(Nd)

Type:Uniaxial (+)
RI values: nω = 1.720 nε = 1.730
Maximum Birefringence:δ = 0.010

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

Chemical Properties of Florencite-(Nd)

Formula:
NdAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
Essential elements:Al, H, Nd, O, P
All elements listed in formula:Al, H, Nd, O, P

Relationship of Florencite-(Nd) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BL.05Beudantite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Corkite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Hidalgoite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Hinsdalite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Kemmlitzite
(Sr,Ce)Al
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Orpheite
PbAl
 
3
[(OH)
 
6
|(PO
 
4
,SO
 
4
)
 
2
] (?)
8.BL.05Schlossmacherite
(H
 
3
O,Ca)Al
 
3
[(OH)
 
6
|(SO
 
4
,AsO
 
4
)
 
2
]
8.BL.05Svanbergite
SrAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Weilerite
8.BL.05Woodhouseite
CaAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Gallobeudantite
PbGa
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.10Arsenogoyazite
SrAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenoflorencite-(La)
LaAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Arsenoflorencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Arsenogorceixite
BaAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenocrandallite
(Ca,Sr)Al
 
3
[(OH)
 
5
|(AsO
 
4
,PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenoflorencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Benauite
SrFe
3+
3
[(OH)
 
6
|(HPO
 
4
,PO
 
4
)|(PO
 
4
,SO
 
4
)]
8.BL.10Crandallite
CaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Dussertite
BaFe
3+
3
[(OH)
 
5
|(AsO
 
4
)
 
2
]
8.BL.10Eylettersite
(Th,Pb)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
] ?
8.BL.10Florencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Florencite-(La)
LaAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Gorceixite
BaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Goyazite
SrAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Kintoreite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Philipsbornite
PbAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Plumbogummite
PbAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Segnitite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Waylandite
(Bi,Ca)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
]
8.BL.10Zaïrite
Bi(Fe
3+
 
,Al)
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Arsenowaylandite
BiAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.10Springcreekite
BaV
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Graulichite-(Ce)
CeFe
3+
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.15Viitaniemiite
Na(Ca,Mn
2+
 
)Al[(F,OH)
 
3
|PO
 
4
]
8.BL.25Pattersonite
PbFe
3+
3
(PO
 
4
)
 
2
(OH)
 
4
{(H
 
2
O)
 
0.5
(OH)
 
0.5
}
 
2
Related Minerals - Hey's Index Grouping:

- +
19.9.1Xenotime-(Y)
YPO
 
4
19.9.2Churchite-(Y)
YPO
 
4
·2H
 
2
O
19.9.3Monazite-(Ce)
(Ce,La,Nd,Th)PO
 
4
19.9.4Monazite-(La)
(La,Ce,Nd)PO
 
4
19.9.5Monazite-(Nd)
(Nd,La,Ce)PO
 
4
19.9.6Rhabdophane-(Ce)
(Ce,La)PO
 
4
·H
 
2
O
19.9.7Rhabdophane-(La)
(La,Ce)PO
 
4
·H
 
2
O
19.9.8Rhabdophane-(Nd)
(Nd,Ce,La)PO
 
4
·H
 
2
O
19.9.9Vitusite-(Ce)
Na
 
3
(Ce,La,Nd)(PO
 
4
)
 
2
19.9.10Florencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
19.9.11Florencite-(La)
LaAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
19.9.13Kolbeckite
ScPO
 
4
·2H
 
2
O

Other Names for Florencite-(Nd)

Other Languages:
Russian:Флоренсит-(Nd)

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 Florencite-(Nd)

Reference List:Mineralogical Record: 2: 166-168.

Neues Jahrbuch für Mineralogie, Monatshefte (1990): 227-231.

Articles/Blogs about Florencite-(Nd)

Internet Links for Florencite-(Nd)

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  • Raman and XRD data at RRUFF project
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  • Florencite-(Nd) details from Handbook of Mineralogy (PDF)
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    Localities for Florencite-(Nd)

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    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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Liberec Region
    		Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
    USA
     
    • California
      • Marin Co.
    MinRec 2:166
    Mineral and/or Locality
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