Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from a group of standing stones at Fowlis Wester, Perth and Kinross

Fragment of quartz, from Kirkburn, Lockerbie, Dumfries and Galloway

Quartzite - a small polished slab - white, fine grained, crystalline - locality unknown

Quartz, variety agate - blue-grey, pale grey fortification banded with pink zoning - from Ardownie Quarry, Monifieth, Angus

Quartz, variety agate - polished slab - dark blue-grey and pale grey fortification banded with a flash of reddish-brown and dark green moss surround - Ardownie Quarry, Monifieth, Angus

Quartz, variety rock crystal - unmounted transparent colourless, cabochon; 37.4487g - exact locality unknown