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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UKi
Regional Level Types
Loch a'PhuillLoch
Isle of TireeIsland
Argyll and ButeCouncil Area
ScotlandCountry
UKCountry

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PhotosMapsSearch
00769050017272007788176.jpg
Lewisian quartz-magnetite band at Loch a'Phuill

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
02329290017272007798072.jpg
Lewisian quartz-magnetite band

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
00769050017272007788176.jpg
Lewisian quartz-magnetite band at Loch a'Phuill

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
02329290017272007798072.jpg
Lewisian quartz-magnetite band

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
00769050017272007788176.jpg
Lewisian quartz-magnetite band at Loch a'Phuill

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
02329290017272007798072.jpg
Lewisian quartz-magnetite band

Loch a'Phuill, Isle of Tiree, Argyll and Bute, Scotland, UK
Latitude & Longitude (WGS84):
56° 28' 12'' North , 6° 56' 32'' West
Latitude & Longitude (decimal):
56.47015,-6.94233
GeoHash:
G#: gf51600dr
GRN:
N38W03
Type:
Loch
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
215882
Long-form identifier:
mindat:1:2:215882:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Argyllshire


Small outcrop of banded quartz-magnetite in Lewisian quartz-garnet-mica schist. Main band is about 5 cm across.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4

List of minerals for each chemical element

OOxygen
Oⓘ MagnetiteFe2+Fe23+O4
FeIron
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
North Atlantic Igneous ProvinceLarge Igneous Province
UK

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

Whetton J T & Myers J O (1949): Geophysical surveys of magnetite deposits in Tiree and Skye. Transactions of the Geological Society of Glasgow, 21, 237-277.
Groves, A W. (1952): Tiree. Pp. 247-262 in Wartime investigations into the haematite and manganese ore resources of Great Britain and Northern Ireland. Ministry of Supply, Permanent records of Research and Development, Monograph 20-703.
Coats, J S, Shaw, M H et al. (1997): Mineral exploration in Lewisian supracrustal and basic rocks of the Scottish Highlands and Islands. Mineral Reconnaissance Programme Report, British Geological Survey No 146.
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