Ginorite
A valid IMA mineral species - grandfathered
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About Ginorite
Formula:
Ca2B14O20(OH)6 · 5H2O
Colour:
White
Hardness:
3½
Specific Gravity:
2.07 - 2.14
Crystal System:
Monoclinic
Name:
Named in honor of Piero Ginori Conti (3 June 1865, Florence, Italy – 3 December 1939, Florence, Italy), Prince of Trevignano, businessman and politician. He was a leader in development of the Tuscan borax industry. He also developed geothermal power in the area.
Unique Identifiers
Mindat ID:
1696
Long-form identifier:
mindat:1:1:1696:0
GUID
(UUID V4):
(UUID V4):
a9030a24-1870-48b6-820e-24a3db92d8f1
IMA Classification of Ginorite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1934
Classification of Ginorite
6.FC.15
6 : BORATES
F : Hexaborates
C : Phyllo-hexaborates
6 : BORATES
F : Hexaborates
C : Phyllo-hexaborates
26.6.7.1
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
6 : Hexaborates
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
6 : Hexaborates
9.3.19
9 : Borates
3 : Borates of Ca and Sr
9 : Borates
3 : Borates of Ca and Sr
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Gnr | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Ginorite
Transparency:
Transparent, Translucent
Colour:
White
Streak:
White
Hardness:
3½ on Mohs scale
Cleavage:
Distinct/Good
On {010} with unstated quality.
On {010} with unstated quality.
Density:
2.07 - 2.14 g/cm3 (Measured) 2.09 g/cm3 (Calculated)
Optical Data of Ginorite
Type:
Biaxial (+)
RI values:
nα = 1.517 nβ = 1.524 nγ = 1.577
2V:
Measured: 42° (2), Calculated: 42°
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none
Optical Extinction:
Y = b; Z ∧ c = 39°
Comments:
Positive elongation
Chemistry of Ginorite
Mindat Formula:
Ca2B14O20(OH)6 · 5H2O
Elements listed:
Crystallography of Ginorite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 13.37 Å, b = 14.36 Å, c = 12.26 Å
β = 101.2°
β = 101.2°
Ratio:
a:b:c = 0.931 : 1 : 0.854
Unit Cell V:
2,309.01 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals are flat tablets {010}. Dense masses.
Lozenge or rhomb shaped plates with acute angle of ~78-79°.
Lozenge or rhomb shaped plates with acute angle of ~78-79°.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.18 Å | (100) |
5.36 Å | (80) |
2.09 Å | (80) |
3.57 Å | (60) |
3.28 Å | (60) |
3.90 Å | (50) |
3.12 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] |
Type Occurrence of Ginorite
General Appearance of Type Material:
Lozenge-shaped plates. Minutely granular.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
Veins in sandstone.
Associated Minerals at Type Locality:
Reference:
D'Achiardi, G. (1934) Ginorite, nuovo borato di calcio di Sasso Pisano. Periodico di Mineralogia-Roma: 5: 22-32.
Synonyms of Ginorite
Other Language Names for Ginorite
German:Cryptomorphit
Ginorit
Ginorit
Simplified Chinese:水硼钙石
Spanish:Cryptomorphita
Ginorita
Ginorita
Traditional Chinese:水硼鈣石
Related Minerals - Strunz-mindat Grouping
6.FC.05 | Tunellite | SrB6O9(OH)2 · 3H2O |
6.FC.05 | Nobleite | CaB6O9(OH)2 · 3H2O |
6.FC.10 | Strontioborite | Sr[B8O11(OH)4] |
6.FC.15 | Strontioginorite | CaSrB14O20(OH)6 · 5H2O |
6.FC.20 | Fabianite | CaB3O5OH |
Other Information
IR Spectrum:
Chelkar dome material (Mott prospect material in brackets) [cm-1]: (3480sh), (3420sh), 3370 (3330), 3280, 3125 (3140), 3000sh (3020sh), 1650 (1655w), 1460s (1480sh), 1396s (1381s), 1339s (1329s), 1259 (1250), 1191 (1189), 1170 (1165sh), 1129s (
Notes:
Insoluble in water.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Ginorite
mindat.org URL:
https://www.mindat.org/min-1696.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Ginorite
Reference List:
Localities for Ginorite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Argentina | |
| Bull. Soc. Franç. Minéralo. ... +4 other references |
Canada | |
| How (1861) |
Italy (TL) | |
| D'Achiardi (1934) +1 other reference |
Kazakhstan | |
| Handbook of Mineralogy Vol V p 6 +1 other reference |
| Pekov et al. (1993) +1 other reference |
Russia | |
| Garrett (1998) |
USA | |
| Mineralogy of Alabama Geol Surv Ala. ... |
| Van Nostrand Reinholt Press: 238 +1 other reference |
| www.mineralsocal.org. +2 other references |
| Van Nostrand Reinholt Press: 254. +7 other references |
Erd et al. (1979) |
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East Coleman Mine, Furnace Creek, Inyo County, California, USA