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Hurlbutite

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G.E. Smith Mine, Newport, Sullivan Co., New Hampshire, USA
© 2006 Peter Cristofono

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Formula:
CaBe
 
2
[PO
 
4
]
 
2
System:MonoclinicColour:Greenish white, yellow ...
Hardness:6
This page provides mineralogical data about Hurlbutite.

Classification of Hurlbutite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/A.01-40
Nickel-Strunz 10th (pending) edition ID:8.AA.15

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
A : With small cations (some also with larger ones)
Dana 7th edition ID:38.3.6.1
Dana 8th edition ID:38.3.6.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
Hey's CIM Ref.:19.3.3

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

Type Locality:G.E. Smith Mine, Newport, Sullivan Co., New Hampshire, USA
Year of Discovery:1951

Physical Properties of Hurlbutite

Colour:Greenish white, yellow or colourless
Streak:White
Hardness (Mohs):6
Cleavage:None Observed

Crystallography of Hurlbutite

Crystal System:Monoclinic
Cell Parameters:a = 8.29Å, b = 8.78Å, c = 7.79Å
β = 90.5°
Ratio:a:b:c = 0.944 : 1 : 0.887
Unit Cell Volume:V 566.98 ų (Calculated from Unit Cell)

Optical Data of Hurlbutite

Type:Biaxial (-)
RI values: nα = 1.595 nβ = 1.601 nγ = 1.604
2V:Measured: 70° , Calculated: 70°
Maximum Birefringence:δ = 0.009

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Hurlbutite

Formula:
CaBe
 
2
[PO
 
4
]
 
2
Essential elements:Be, Ca, O, P
All elements listed in formula:Be, Ca, O, P

Relationship of Hurlbutite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AA.05Alarsite
Al[AsO
 
4
]
8.AA.05Berlinite
Al[PO
 
4
]
8.AA.05Rodolicoite
Fe
3+
 
[PO
 
4
]
8.AA.10Beryllonite
NaBe[PO
 
4
]
8.AA.20Lithiophosphate
Li
 
3
[PO
 
4
]
8.AA.25Nalipoite
NaLi
 
2
[PO
 
4
]
8.AA.30Olympite
Na
 
5
Li[PO
 
4
]
 
2
Related Minerals - Hey's Index Grouping:

- +
19.3.1Moraesite
Be
 
2
[OH|PO
 
4
] · 4H
 
2
O
19.3.2Beryllonite
NaBe[PO
 
4
]
19.3.4Hydroxylherderite
CaBe[(OH,F)|PO
 
4
]
19.3.5Glucine
CaBe
 
4
[(OH)
 
2
|PO
 
4
]
 
2
 · 0.5H
 
2
O
19.3.6Fransoletite
Ca
 
3
Be
 
2
[HPO
 
4
|PO
 
4
]
 
2
 · 4H
 
2
O
19.3.7Uralolite
Ca
 
2
Be
 
4
[OH|PO
 
4
]
 
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
[OH|(PO
 
4
)
 
3
]
 
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(Mn
2+
 
,Fe
2+
 
)
 
5
Be
 
4
[(OH)
 
4
|(PO
 
4
)
 
6
] · 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
[OH|PO
 
4
]
19.3.16Althausite
Mg
 
2
[(OH,F)|PO
 
4
]
19.3.17Newberyite
MgHPO
 
4
·3H
 
2
O
19.3.18Phosphorrösslerite
MgHPO
 
4
·7H
 
2
O
19.3.19Bobierrite
Mg
 
3
(PO
 
4
)
 
2
·8H
 
2
O
19.3.20Barićite
(Mg,Fe)
 
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
MgPO
 
4
·H
 
2
O
19.3.23Struvite
NH
 
4
MgPO
 
4
·6H
 
2
O
19.3.24Hannayite
(NH
 
4
)
 
2
Mg
 
3
H
 
4
(PO
 
4
)
 
4
·8H
 
2
O

Other Names for Hurlbutite

Synonyms:
CherlbutiteHurlburtite (of Mrose)
Other Languages:
German:Cherlbutit
Hurlbutit
Russian:Херлбатит
Spanish:Cherlbutita
Hurlbutita

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 Hurlbutite

Reference List:American Mineralogist: 37: 931-940.

American Mineralogist: 59: 1267-1271.

Articles/Blogs about Hurlbutite

Internet Links for Hurlbutite

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    Localities for Hurlbutite

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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)
      • Plzeň Region
        • Domažlice (Taus)
          • Otov
    		Stanek J. (1966): Scholzit a hurlbutit z pegmatitu od Otova u Domazlic. - Casopis pro Mineralogii a Geologii, 11, 21-26.
      • South Bohemia Region
        • Dačice
    		Cempírek, J., Novák, M., Vávra, V.: Hurlbutit z beryl-columbitového pegmatitu v Kostelním Vydří u Telče, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 45 - 48.
    Finland
     
    • Etelä-Suomen Lääni
      • Orivesi
        • Eräjärvi area
    		Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
    Sweden
     
    • Skåne
      • Bromölla
        • Näsum
    		Svensson, D., Hansen, S. & Bovin, J.-O., 2002: Hurlbutite, the first Be mineral fron Västanå iron mine, Skåne, Sweden. Geologiska Föreningens i Stockholm Förhandlingar 124, 41-43.
    • Södermanland
      • Haninge
    		Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
    • Uppland
      • Sigtuna
    		Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
    USA
     
    • Maine
      • Oxford Co.
        • Rumford
    		"Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998)
    • New Hampshire
      • Sullivan Co.
        • Newport
    		No reference listed
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    		Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
    Mineral and/or Locality
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