Purple Mountain (Kerry) Purple Mountain (Kerry) Purple Mountain () at high, is the 21st–highest peak in Ireland on the Arderin scale, and the 28th–highest according to the Vandeleur-Lynam scale. Purple mountain is the highest peak of the Purple Mountain Group, and is located in County Kerry, Ireland. Purple Mountain is composed of sandstone particles of various sizes which are collectively known as "Old Red Sandstone". Old Red Sandstone has a purple-reddish colour, and has virtually no fossils. The colour gave its name to the mountain group. The composition of "Old Red Sandstone" is variable and contains quartz stones, mudstones, siltstones, and sandstone particles
Palatinate (colour) The precise colour of palatinate purple used by the University varies a good deal. Its most long-established usage is in the University's academic dress and sporting colours, both of which use a significantly paler shade than that used by the university for corporate purposes. The palatinate purple used for the academic robes is said by Shaw (1966) to be British Colour Council No. 177 "Crocus" from the second (1951) edition of the "Dictionary of Colour Standards". The shade of purple used by Durham University in its corporate branding, as of 2017, is: Pantone number 255C; CMYK: 51, 91, 0, 34;