AM-4 1 Afrikanda 1 Arctic 1 Barite 1 Khibiny 1 Kovdor 1 Lovozero 1 NF Fennoscandia 1 NaA zeolite 1 OH group Research & information: general 1 SIV 1 UV-vis spectroscopy 1 X-ray diffraction 1 X-ray fluorescence 1 acid leaching 1 alkali melting 1 alkaline intrusions 1 apatite 1 bentonite 1 beverage cans 1 boron 1 bovine bones 1 calcium nitrate 1 carbonate 1 carbonates 1 cement 1 channel-water 1 concrete 1 cracks 1