• The hardness of chabazite is 4 to 5 on Mohs scale ( or 4 to 5 Mohs ).
• The hardness is 6 ( Mohs scale ).
• The hardness of chabazite is 4 to 5 on Mohs scale ( or 4 to 5 Mohs ).
• The hardness is 6 ( Mohs scale ).
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012