Geology Rocks T-shirt - Womens Educational moment that you can impress your friends with:- Mohs scale of mineral hardness runs as follows - 1 Talc, 2 Gypsum, 3 Calcite, 4 Flourite, 5 Apatite, 6 Orthoclase Feldspar, 7 Quartz, 8 Topaz, 9 Corundum and 10 Diamond. The phrase 'the girl's can flirt and other queer things can do' will help you remember it as it gives you the first letter of each mineral.  SIZE GUIDE! Colour Dark Grey  Blue  Kelly Green  Hot Pink  Size Choice Women's Small (31" Chest)  Women's Medium (33" Chest)  Women's Large (35" Chest)  Women's XL (38" Chest)  Our Price: £17.50

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