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White Rock Quarry, Horsnell Gully, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia, Australiai
Regional Level Types
White Rock QuarryQuarry
Horsnell GullyGully
South Mt Lofty Ranges (Adelaide Hills)Mountain
Mt Lofty RangesMountain
South AustraliaState
AustraliaCountry

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Key
Latitude & Longitude (WGS84):
34° 55' 31'' South , 138° 42' 30'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Norton Summit319 (2011)1.5km
Adelaide Hills60,394 (2013)1.6km
Wattle Park1,830 (2015)3.0km
Ashton481 (2011)3.1km
Kensington Gardens2,508 (2015)4.3km


The quarry lies in the Stoneyfell Quartzite Group, which is in turn part of the Adelaide Geosyncline. It is believed, to have formed during the late Proterozoic thru to the end of the Cambrian (approx 900-500 million years ago).

The quarry itself is well known for its large clear crystals of quartz, showing many different forms, from single crystals thru to multiple crystal groups. It is especially well known for its spectacular ‘Japan Law’ twinned specimens. It is also known for producing some of the largest 'totally clear' crystals in Australia.

The South Australian Museum has dedicated an entire display case to the specimens of White Rock Quarry. It is quite surprising and somewhat upsetting to see that we only have 5 specimens currently (as of 6th April, 2012), showing here on Mindat! I know many collectors that have numerous specimens from this locality, all of which are great examples of this locality.

All access and collecting is now prohibited; mainly because of people sneaking into the quarry to collect without permission.



Located 10km east of Adelaide.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Rock Crystal-SiO2

List of minerals for each chemical element

OOxygen
O Quartz (var: Rock Crystal)SiO2
O QuartzSiO2
SiSilicon
Si Quartz (var: Rock Crystal)SiO2
Si QuartzSiO2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ludbrook, N. H., 1980 , A guide to the geology and mineral resources of South Australia , Govternment Printer, Adelaide.
Noble, R.J., Just, J, & Johnson, J. E., 1983 , Catalogue of South Australian minerals : 1983 , Dept. of Mines and Energy, South Australia, Adelaide.

Other Regions, Features and Areas containing this locality

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.
 
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