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Ginorite

Big Photo

East Coleman Mine, Inyo Co., California, USA
© Simone Citon

Show Ginorite Photos (2)
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
[(OH)(B
 
2
O
 
4
(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
[OH|{B(OH)
 
4
}
 
2
]
 
2
9.3.7Frolovite
Ca[B(OH)
 
4
]
 
2
9.3.8Korzhinskite
CaB
 
2
O
 
4
·H
 
2
O
9.3.9Tyretskite
Ca
 
2
B
 
5
O
 
9
OH·H
 
2
O
9.3.10Nifontovite
CaB
 
2
O
 
4
·2.3H
 
2
O
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(OH)
 
4
|[B(OH)
 
4
]
 
2
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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    Localities for Ginorite

    (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.
    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
     
    • Aqtöbe Oblysy (Aktubinsk [Aktyubinsk; 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
          • 20 Mule Team Canyon
    		AmMin (1965) 50:629-640; Am Min (1959) 44:911-919
          • Black Mts
            • Furnace Creek District
    		www.mineralsocal.org; Am Min (1959) 44:911-919; American Mineralogist: 55: 349-357
    Am Min 64:3-4 pp 369-375
    Mineral and/or Locality
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