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Mintabie opal field (Old field), Mintabie, North West Province, South Australia, Australia i
Regional Level Types
Mintabie opal field (Old field) Mining Field
Mintabie Urban area
North West Province - not defined -
South Australia State
Australia Country

Regional Level Types
Mintabie opal field (Old field)	Mining Field
Mintabie	Urban area
North West Province	- not defined -
South Australia	State
Australia	Country

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Latitude & Longitude (WGS84):

27° 19' 9'' South , 133° 17' 36'' East

Latitude & Longitude (decimal):

G#: qgnu94tnp

Type:

Deposit first discovered:

1920 (approx.)

Köppen climate type:

BWh : Hot deserts climate

Mindat Locality ID:

13140

Long-form identifier:

mindat:1:2:13140:0

GUID (UUID V4):

aec23d72-903d-4a79-a852-2e7452519abc

An opal field. This was the first opal field developed at Mintabie and is now generally referred to as the "Old Field".

The first official recorded opal production was 1935.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Gemstones

Mineral List

4 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Jasper'

References:

Townsend, I.J. (1981) Discovery of Early Cretaceous sediments at Mintabie opal field. South Australia. Geological Survey of South Australia, Quarterly Geological Notes, No. 77, 8-14.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

References:

Townsend, I.J. (1981) Discovery of Early Cretaceous sediments at Mintabie opal field. South Australia. Geological Survey of South Australia, Quarterly Geological Notes, No. 77, 8-14.

Liesegang, Moritz, and Ralf Milke. (2018) "Silica Colloid Ordering in a Dynamic Sedimentary Environment" Minerals 8, no. 1: 12. https://doi.org/10.3390/min8010012

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

Liesegang, Moritz, and Ralf Milke. (2018) "Silica Colloid Ordering in a Dynamic Sedimentary Environment" Minerals 8, no. 1: 12. https://doi.org/10.3390/min8010012

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

Liesegang, Moritz, and Ralf Milke. (2018) "Silica Colloid Ordering in a Dynamic Sedimentary Environment" Minerals 8, no. 1: 12. https://doi.org/10.3390/min8010012

ⓘ Opal var. Black Opal

Formula: SiO₂ · nH₂O

References:

www.mineshaft.com.au/1.htm.

ⓘ Opal var. Crystal Opal

Formula: SiO₂ · nH₂O

ⓘ Opal var. Fire Opal

Formula: SiO₂ · nH₂O

ⓘ Opal var. Milk Opal

Formula: SiO₂ · nH₂O

ⓘ Opal var. Pinfire Opal

ⓘ Opal var. Pipe Opal

ⓘ Opal var. Precious Opal

Formula: SiO₂ · nH₂O

References:

John Nijhuis.

Liesegang, Moritz, and Ralf Milke. (2018) "Silica Colloid Ordering in a Dynamic Sedimentary Environment" Minerals 8, no. 1: 12. https://doi.org/10.3390/min8010012

ⓘ Opal var. White Opal

References:

www.mineshaft.com.au/1.htm.

ⓘ Quartz

Formula: SiO₂

References:

Townsend, I.J. (1981) Discovery of Early Cretaceous sediments at Mintabie opal field. South Australia. Geological Survey of South Australia, Quarterly Geological Notes, No. 77, 8-14.

Liesegang, Moritz, and Ralf Milke. (2018) "Silica Colloid Ordering in a Dynamic Sedimentary Environment" Minerals 8, no. 1: 12. https://doi.org/10.3390/min8010012

Gallery:

SiO₂ · nH₂Oⓘ Opal

SiO₂ · nH₂Oⓘ Opal var. Precious Opal

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Precious Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Fire Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Black Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Crystal Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Milk Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Pinfire Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Pipe Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. White Opal	4.DA.10	SiO₂ · nH₂O
Group 9 - Silicates
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
Unclassified
ⓘ	'Jasper'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Opal var. Precious Opal	SiO₂ · nH₂O
H	ⓘ Opal var. Fire Opal	SiO₂ · nH₂O
H	ⓘ Opal var. Black Opal	SiO₂ · nH₂O
H	ⓘ Opal var. Crystal Opal	SiO₂ · nH₂O
H	ⓘ Opal var. Milk Opal	SiO₂ · nH₂O
O	Oxygen
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Opal var. Precious Opal	SiO₂ · nH₂O
O	ⓘ Opal var. Fire Opal	SiO₂ · nH₂O
O	ⓘ Opal var. Black Opal	SiO₂ · nH₂O
O	ⓘ Opal var. Crystal Opal	SiO₂ · nH₂O
O	ⓘ Opal var. Milk Opal	SiO₂ · nH₂O
Al	Aluminium
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Microcline	K(AlSi₃O₈)
Si	Silicon
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Opal var. Precious Opal	SiO₂ · nH₂O
Si	ⓘ Opal var. Fire Opal	SiO₂ · nH₂O
Si	ⓘ Opal var. Black Opal	SiO₂ · nH₂O
Si	ⓘ Opal var. Crystal Opal	SiO₂ · nH₂O
Si	ⓘ Opal var. Milk Opal	SiO₂ · nH₂O
K	Potassium
K	ⓘ Microcline	K(AlSi₃O₈)

Other Regions, Features and Areas containing this locality

Australia

Delamerian OrogenOrogen
Officer BasinBasin

Australian PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Townsend, I.J. (1980) Discovery of Early Cretaceous sediments at Mintabie opal field. South Australia. Geological Survey of South Australia, Quarterly Geological Notes, No. 77, 8-14.

Townsend, I.J. (1990) Mintabie Opalfield Mining and Geology, Report Book 1990/73. Department of Mines and Energy South Australia, Adelaide.

Katona, L.F. (2018) Mintabie opal resource evaluation: Current value of opal resources and projected value of undiscovered resources. Geological Survey of South Australia, 11 pages.

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