Mordenite, Apophyllite and Stilbite

Sample of pinkish, fibrous Mordenite entwined with green tabular subhedral Apophyllite and white blades of Stilbite. Vitreous lustre. Sample comes from a Pegmatite. Mordenite (Ca,Na2, K2)Al2Si10O24·7H2O ) can be white, colourless, yellowish or pinkish with a vitreous or silky lustre. Hardness is 3 to 4. Mordenite tends to occur as prismatic crystals, fine fibrous or compact forms. https://www.mindat.org/min-2779.html Apophyllite (KCa4Si8O20(F,OH) x 8H2O) can be colourless, white, grey, greenish, yellowish or reddish in colour with a vitreous lustre that is pearly on the cleavage. Streak is white and hardness is 4 1/2 to 5. Cleavage is perfect in one direction. Apophyllite usually occurs as cube-like or tabular in form. Stilbite (NaCa2Al5Si13O36 x 16H2O) can be white, greyish, yellowish, red or brown in colour. Lustre is vitreous and pearly on cleavage and streak is colourless. Hardness is 3 1/2 to 4 and cleavage is perfect in one direction. Stilbite tends to be bladed aggregates that forms "wheat sheaves" but can also be radial or globular.