Minerals from the Isle of Skye Granites - Red Cuillins...................Updated 19 September 2017 type_document_Title_here
The specimens - Please note that these are only brief descriptions of the minerals, the specimens are listed below with numbers. Also please note that most specimens have at least 5 or 6 minerals on them and you should be able to identify the "extras" from the descriptions below. Also check all of the cavities on the specimens type_document_Title_here
ALLANITE-Ce Small dark brown to black tabular xtls
BIOTITE Dark green to black rounded book-like xtls often encrusted with a thin coating of Clinochlore
CALCITE Generally whitish thin platy xtls but occaisionally pale brown prismatic xtls
CHEVKINITE-Ce Occurs as shiny black acicular needles embedded in the granite matrix and showing a reddish halo when detached from the matrix
FELDSPAR K & Na Occur as Orthoclase and Anorthite lining cavities in the granite
FERRO-ACTINOLITE Occurs as black xtls with feathery terminations and are zoned, ferro-edenite, ferro-richterite, ferro-winchite, katophorite, and riebeckite being the main constituents
FERRO-HORNBLENDE Small black shiny xtls mostly with well developed terminations
FLUORITE Mostly colourless but occaisionally pale mauve octahedral xtls, sometimes suspended on Hedenbergite fibres also occaisionally growing in exotic shapes due to abnormal growth along the "C" axis
HEDENBERGITE 1 Light grey-green intergrown masses of acicular hair-like xtls
HEDENBERGITE 2 Greyish-green to brownish prismatic terminated xtls often associated with the hair-like form
HEULANDITE-Ca Colourless classic "coffin" shaped xtls
SPHENE Generally very small biscuit coloured, often doubly terminated Sphene xtls also quite often suspended on Hedenbergite fibres
Minerals from the Isle of Skye Granites - Red Cuillins - Loch Ainort & Eas a Brahdain, Loch Ainort localities... ............Updated 19 September 2017
357 FERRO-ACTINOLITE Loch Ainort, Isle of Skye, Invernesshire, Scotland 1.50p 2
358 FERRO-HORNBLENDE Loch Ainort, Isle of Skye, Invernesshire, Scotland 1.00 1.50p 3 2
type_document_Title_here Thumbnails....Updated 19 September 2017
363 HEDENBERGITE 1 Loch Ainort, Isle of Skye, Invernesshire, Scotland 2.00 1
364 HEDENBERGITE 1, HEULANDITE-Ca & FLUORITESOLD Loch Ainort, Isle of Skye, Invernesshire, Scotland . .
365 HEDENBERGITE 1&2 Loch Ainort, Isle of Skye, Invernesshire, Scotland 2.00 1