твёрдость по Moocy
• The hardness of chabazite is 4 to 5 on Mohs scale (or 4 to 5 Mohs).
• The hardness is 6 (Mohs scale).
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• The hardness of chabazite is 4 to 5 on Mohs scale (or 4 to 5 Mohs).
• The hardness is 6 (Mohs scale).