I found this on a beach among the round pebbles at Pissouri (Cyprus) and it was noticable because of the different shape. On closer inspection this appears to be a fossilised finger and even has what looks like tattoos on the top, (including a darker circle/colour where the main knuckle joint would be) bottom and a darker blue on one side. and quite possibly a cross section of bone at the fist knuckle end on the side. There appears to be a clearly defined fingernail.
I do not think that art statues would be of this type of rock, nor would they be painted so deep, and then located on an isolated beach.
I would be interested if someone can come up with some idea of it's origin or a way of determining if it is actually what I think it is.
No, it is not a finger. It is just a piece of quartzitic sandstone, which happens to be very vaguely shaped that way. In the second photo, you can see the sedimentary layering. The slight inclination of the layering in the top part suggest ripple bedding. There are also a few veins (also of quartz) crossing the specimen. the blue-grey coloured area is just where a silty lamina happens to form part of the side.
Lumps of rock occur in all sorts of shapes and sizes, and it is very easy for the human mind to 'see' something that isn't really there; false recognition. It happens most commonly with flints. It is our own fault: we've spent millions of years evolving to remember shapes, patterns, sizes and colours of objects in nature - categorizing them as food/poison/useful/dangerous/etc. As soon as you see an object, your mind will be trying to fit it into one of its known categories, even before you start to think consciously about it.