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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventories  
Inventories

 

 

2021

 

 

2020

 

Antimony Oxide

 

$234,461

 

 

$67,377

 

Antimony Metal

 

 

439,086

 

 

 

268,100

 

Antimony Ore

 

 

119,046

 

 

 

95,880

 

Total antimony

 

 

792,593

 

 

 

431,357

 

Zeolite

 

 

262,827

 

 

 

218,856

 

Total inventory

 

$1,055,420

 

 

$650,213