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Ginorite

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Formula:
Ca
 
2
B
 
14
O
 
23
· 8H
 
2
O
System:MonoclinicColour:White
Hardness:
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):
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
Simplified for copy/paste:Ca2B14O23·8H2O
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
Simplified Chinese:水硼钙石
Spanish:Cryptomorphita
Ginorita
Traditional Chinese:水硼鈣石

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

Search Engines:
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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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  • Search for Ginorite on Well-Arranged Molecules
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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.
    (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.; Alonso, R. N. (1999). On the origin of La Puna borates. Acta geológica hispánica, 34(2), 141-166.
    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
    • Atyrau Province (Atyrau Oblysy; Atyrau Oblast')
      • Atyrau (Gur'yev)
    Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30; Pekov, I. V. & Abramov, D. V. (1993): Boron deposit of the Inder and its minerals. World of Stones, 1, 23-30.
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
    Garrett, Donald E. (1998) Borates. Handbook of Deposits, Processing, Properties, and Use.
    USA
     
    • Alabama
      • Clarke Co.
    Mineralogy of Alabama Geol Surv Ala. Bull120
    • California
      • Inyo Co.
        • Death Valley
          • Furnace Creek
    Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238, 254.
        • Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area)
          • 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
    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.
    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.
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