Archerite
Potassium ammonium phosphate mineral. Forms in cave deposits and guano....
Unit: kg
Arsenopyrite
Iron arsenic sulfide. Most common arsenic mineral, important ore of arsenic....
Unit: kg
Ashoverite
Zinc hydroxide mineral. Dimorph of sweetite, forms in zinc ore oxidation zones....
Unit: kg
Balangeroite
Magnesium iron silicate hydroxide. Asbestiform mineral from serpentinites....
Unit: kg
Barroisite
Sodium calcium magnesium aluminum silicate hydroxide. Amphibole group mineral....
Unit: kg
Airdite
Hydrated sodium calcium aluminum silicate. Zeolite-like mineral....
Unit: kg
Akopovaite
Hydrated sodium calcium aluminum silicate. Identical to airdite, different locality....
Unit: kg
Angastonite
Calcium magnesium aluminum carbonate hydroxide hydrate. Hydrous carbonate mineral....
Unit: kg
Apexite
Sodium magnesium phosphate hydrate. Phosphate mineral from guano deposits....
Unit: kg
Atacamite
Copper chloride hydroxide. Green secondary copper mineral from arid regions....
Unit: kg
Åkermanite
Calcium magnesium silicate, melilite group. Forms in metamorphosed limestones and skarns....
Unit: kg