2
زمینشناسی و معدن::
ژیپس
gypsum crystals, some of the largest natural crystals ever
gypsum, as well as other soluble salts, called evaporite
2, such as gypsum, is twice as hard as a mineral with a
In fact, gypsum is only slightly
The mineral gypsum, which has
واژگان شبکه مترجمین ایران