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Ginorite

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Big Photo

East Coleman Mine, East Coleman Hills, Furnace Creek District (Furnace Creek Borate District), Death Valley National Park, Inyo Co., California, USA
© Simone Citon

Show Ginorite Photos (5)



Formula:
Ca
 
2
B
 
14
O
 
23
 · 8H
 
2
O
System:MonoclinicColour:White
Hardness:3½
Name:After Piero Ginori Conti, of Florence, Italy, a leader in development of the Tuscan borax industry.


Ginorite Group. The calcium analogue of Strontioginorite.

Classification of Ginorite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/K.07-10
Nickel-Strunz 10th (pending) edition ID:6.FC.15

6 : BORATES
F : Hexaborates
C : Phyllo-hexaborates
Dana 8th edition ID:26.6.7.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
6 : Hexaborates
Hey's CIM Ref.:9.3.19

9 : Borates
3 : Borates of Ca and Sr
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Type Occurrence of Ginorite

Type Locality:Sasso Pisano, Castelnuovo Val di Cecina, Pisa Province, Tuscany, Italy
Year of Discovery:1934
Geological Setting of type material:Veins in sandstone
Associated Minerals at type locality:
Calcite

Physical Properties of Ginorite

Diaphaneity (Transparency):Transparent, Translucent
Colour:White
Hardness (Mohs):3½
Cleavage:Distinct/Good
On {010} with unstated quality.
Density (measured):2.09 g/cm3

Crystallography of Ginorite

Crystal System:Monoclinic
Cell Parameters:a = 13.37Å, b = 14.36Å, c = 12.26Å
β = 101.2°
Ratio:a:b:c = 0.931 : 1 : 0.854
Unit Cell Volume:V 2,309.01 ų (Calculated from Unit Cell)
Morphology:Crystals are flat tablets {010}. Dense masses.

Optical Data of Ginorite

Type:Biaxial (+)
RI values: nα = 1.517 nβ = 1.524 nγ = 1.577
2V:Measured: 42° , Calculated: 42°
Maximum Birefringence:δ = 0.060

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

Chemical Properties of Ginorite

Formula:
Ca
 
2
B
 
14
O
 
23
 · 8H
 
2
O
Essential elements:B, Ca, H, O
All elements listed in formula:B, Ca, H, O

Relationship of Ginorite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.FC.05Tunellite
SrB
 
6
O
 
9
(OH)
 
2
 · 3H
 
2
O
6.FC.05Nobleite
CaB
 
6
O
 
9
(OH)
 
2
 · 3H
 
2
O
6.FC.10Strontioborite
SrB
 
8
O
 
11
(OH)
 
4
6.FC.15Strontioginorite
(Sr,Ca)
 
2
B
 
14
O
 
23
 · 8H
 
2
O
6.FC.20Fabianite
CaB
 
3
O
 
5
OH
Related Minerals - Hey's Index Grouping:

- +
9.3.1Calciborite
Ca(B
 
2
O
 
4
)
9.3.2Sibirskite
Ca
 
2
(HB
 
2
O
 
5
)(OH)
9.3.3Fabianite
CaB
 
3
O
 
5
OH
9.3.4Uralborite
Ca
 
2
[B
 
3
O
 
3
(OH)
 
5
 · OB(OH)
 
3
]
9.3.5Vimsite
CaB
 
2
O
 
2
(OH)
 
4
9.3.6Olshanskyite
Ca
 
3
[B(OH)
 
4
]
 
4
(OH)
 
2
9.3.7Frolovite
Ca[B(OH)
 
4
]
 
2
9.3.8Korzhinskite
Ca(B
 
2
O
 
4
) · H
 
2
O
9.3.9Tyretskite
Ca
 
2
B
 
5
O
 
9
OH · H
 
2
O
9.3.10Nifontovite
Ca
 
3
B
 
6
O
 
6
(OH)
 
12
(H
 
2
O)
 
2
9.3.12Inyoite
Ca(H
 
4
B
 
3
O
 
7
)(OH) · 4H
 
2
O
9.3.13Gowerite
Ca[B
 
5
O
 
8
(OH)][B(OH)
 
3
] · 3H
 
2
O
9.3.14Colemanite
Ca[B
 
3
O
 
4
(OH)
 
3
] · H
 
2
O
9.3.15Pentahydroborite
CaB
 
2
O(OH)
 
6
 · 2H
 
2
O
9.3.16Hexahydroborite
Ca[B(OH)
 
4
]
 
2
 · 6H
 
2
O
9.3.17Meyerhofferite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)
 
2
 · 4H
 
2
O
9.3.18Priceite
Ca
 
2
B
 
5
O
 
7
(OH)
 
5
 · H
 
2
O
9.3.20Probertite
NaCaB
 
5
O
 
7
(OH)
 
4
 · 3H
 
2
O
9.3.21Ulexite
NaCa[B
 
5
O
 
6
(OH)
 
6
] · 5H
 
2
O
9.3.22Hydroboracite
CaMg[B
 
3
O
 
4
(OH)
 
3
]
 
2
 · 3H
 
2
O
9.3.23Inderborite
CaMg(H
 
3
B
 
3
O
 
7
)
 
2
 · 8H
 
2
O
9.3.24Wardsmithite
Ca
 
5
Mg[B
 
4
O
 
7
]
 
6
 · 30H
 
2
O
9.3.25Henmilite
Ca
 
2
Cu[B(OH)
 
4
]
 
2
(OH)
 
4
9.3.26Strontioborite
SrB
 
8
O
 
11
(OH)
 
4
9.3.27Veatchite
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
9.3.28Veatchite-A
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
9.3.29 P-Veatchite
9.3.30 Balavinskite
Sr
 
2
B
 
6
O
 
11
 · 4H
 
2
O
9.3.31Tunellite
SrB
 
6
O
 
9
(OH)
 
2
 · 3H
 
2
O
9.3.32Strontioginorite
(Sr,Ca)
 
2
B
 
14
O
 
23
 · 8H
 
2
O

Other Names for Ginorite

Synonyms:
Cryptomorphite (of Chase)
Other Languages:
German:Cryptomorphit
Ginorit
Spanish:Cryptomorphita
Ginorita

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 Ginorite

Reference List:

- +
D'Achiardi (1934) Periodico de Mineralogia-Roma: 5: 22.

American Mineralogist (1935): 20: 403.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 364-365.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Ginorite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Ginorite details from Handbook of Mineralogy (PDF)
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    • Localities for Ginorite

    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.
    Argentina
     
    • Salta
      • Salar Del Hombre Muerto
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 497.
    Canada
     
    • Nova Scotia
      • Hants Co.
        • Windsor
    		Henry How, "On Natro-boro-calcite and another Borate occurring in the Gypsum of Nova Scotia", The American Journal of Science and Arts, Second Series, Vol. 32, pg. 9-13, Nov 1861.
    Italy
     
    • Tuscany
      • Pisa Province
        • Castelnuovo Val di Cecina
    		D'Achiardi (1934) "Ginorite, nuovo borato di calcio di Sasso Pisano" Per. Min.: no. 5: 22-32; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 364.
    Kazakhstan
     
    • Aktobe Province (Aqtöbe Oblysy; Aktubinskaya Oblast')
      • Aksai Valley
    		Handbook of Mineralogy Vol V p 6; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • Alabama
      • Clarke Co.
    		Mineralogy of Alabama Geol Surv Ala. Bull120
    • California
      • Inyo Co.
        • Death Valley National Park
          • Furnace Creek District (Furnace Creek Borate District)
            • Black Mts
              • Ryan
    		Erd, R.C., J.F. McAllister & H. Almond (1959), Gowerite, a new hydrous calcium borate from Death Valley, California: American Mineralogist: 44: 911-919; Erd, R.C., J.F. McAllister, and A.C. Vlisidis (1970) Wardsmithite 5CaO • MgO •12B2O3 •30H2O, a new borate mineral from the Death Valley region, California. American Mineralogist: 55: 349-357; www.mineralsocal.org.
              • Twenty Mule Team Canyon
                • Monte Blanco
    		Am Min 64:3-4 pp 369-375; Erd, R.C., J.F. McAllister, and G.D. Eberlein (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist: 64: 369-375.
            • East Coleman Hills
    		Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238, 254.
            • Twenty Mule Team Canyon
    		Allen, Robert D. (1957): 198; Allen, Robert D. & Henry C. Kramer (1957), Ginorite and sassolite from Death Valley, California, American Mineralogist: 42: 56-61; Erd, R.C., J.F. McAllister & H. Almond (1959), Gowerite, a new hydrous calcium borate from Death Valley, California: American Mineralogist: 44: 913; Erd, R.C., J.F. McAllister & A.C. Vlisidis (1961), Nobleite, another new hydrous calcium borate from the Death Valley region, California: American Mineralogist: 46: 561; Schaller, Waldemar Theodore, et al (1965), American Mineralogist: 65: 629-640; Erd, R.C., J.F. McAllister, and A.C. Vlisidis (1970) Wardsmithite 5CaO • MgO •12B2O3 •30H2O, a new borate mineral from the Death Valley region, California. American Mineralogist: 55: 350; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 254.
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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. 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. 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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