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Hurlbutite

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G. E. Smith Mine (Chandler Mills Quarry), 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
Name:
Named in honour of Prof. Cornelius Searle Hurlbut, Jr. (1906– 2005), American mineralogist, Harvard University, Cambridge, Massachusetts, USA.


Ca analogue of strontiohurlbutite.
Has a paracelsian-type structure.

Visit gemdat.org for gemological information about Hurlbutite. Currently in public beta-test.

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 (Chandler Mills Quarry), 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
AlAsO
 
4
8.AA.05Berlinite
AlPO
 
4
8.AA.05Rodolicoite
Fe
3+
 
PO
 
4
8.AA.10Beryllonite
NaBePO
 
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
(PO
 
4
)(OH) · 4H
 
2
O
19.3.2Beryllonite
NaBePO
 
4
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
19.3.20Barićite
(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
)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 Hurlbutite

Synonyms:
CherlbutiteHurlburtite (of Mrose)
Other Languages:
German:Cherlbutit
Hurlbutit
Russian:Херлбатит
Simplified Chinese:磷钙铍石
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.

Internet Links for Hurlbutite

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

    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.
    Hide Locality List
    (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.
    China
     
    • Fujian Province
      • Nanping Prefecture
        • Yanping District
          • Nanping pegmatite field
    		Can Rao, Ru Cheng Wang, and Huan Hu (2011): Paragenetic assemblages of beryllium silicates and phosphates from the Nanping No. 31 granitic pegmatite dyke, Fujian province, southestern China. Canadian Mineralogist. 49, 1175-1187
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Plzeň Region
        • Poběžovice (Ronsperg; Ronsberg; Ronsperk)
          • Otov
    		Stanek J. (1966): Scholzit a hurlbutit z pegmatitu od Otova u Domazlic. - Casopis pro Mineralogii a Geologii, 11, 21-26.
      • South Bohemia Region
        • Jindřichův Hradec okres
          • Dačice (Datschitz)
    		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
     
    • Western and Inner Finland Region
      • Orivesi
        • Eräjärvi area
    		Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25; Sandström, F. & Lahti, S.I. (2009): Viitaniemipegmatiten i Eräjärvi, Orivesi, Finland. Litiofilen 26 (1): 11-38
    Sweden
     
    • Skåne
      • Bromölla
        • Näsum
    		Svensson, D., Hansen, S. & Bovin, J.-O., 2002: Hurlbutite, the first Be mineral from Västanå iron mine, Skåne, Sweden. Geologiska Föreningens i Stockholm Förhandlingar 124, 41-43.
    • Södermanland
      • Norrö
    		Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
    • Uppland
      • Sigtuna
        • Arlanda
    		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
    		American Mineralogist: 37: 931-940.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; American Mineralogist (1953): 38: 728-729.
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    		Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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