United States Antimony Corporation (USAC) NYSE (uamy) is a rapidly growing natural resource company that is increasing its raw material supply of antimony from properties in Mexico and third parties around the world. USAC has produced various antimony products since 1969 and is a fully integrated mining, transportation, milling, smelting, and selling company.  USAC operates the only significant antimony smelter in the United States and it is in a "sold out" condition. The Company has proven experience in underground and open pit mining, flotation and gravimetric milling, crushing and screening, dry grinding, cyanide leaching, precious metal refining, pyro-metallurgy, and marketing.

Operations include a smelter and a precious metal refinery in Montana, and a smelter and three mills in Mexico. Three Mexican properties supply direct shipping ore (DSO) or mill feed for the Mexican operations. The Los Juarez property and mill at Puerto Blanco are being permitted to start gold and silver production that will supplement the antimony values and identify the Company as a "precious metal producer." 

USAC owns 100% of the Bear River Zeolite, Corp. mine in southeast Idaho that management  regards as one of the best zeolite properties in the world due to its high cation exchange capacity, low sodium content, hardness,  uniformity, high potassium content, large surface area, and low clay and impurity content.

  • USAC Corporate Offices and Plant,Thompson Falls, Montana
  • Madero Smelter, Coahuila, Mexico
  • Puerto Blanco Flotation/Gravity Mill, Guanajuato, Mexico
  • Antimony Oxide Ore Gravity Mill, Wadley, San Luis Potosi, Mexico
  • Mining - Los Juarez Property, Queretaro, Mexico
  • Mining - Soyatal District, Queretaro, Mexico
  • Mining - Sierra Guadalupe, Zacetecas, Mexico
  • Mining - Guadalupana, Queretaro, Mexico
  • Bear River Zeolite Pit, Preston, Idaho
  • Bear River Zeolite Plant, Preston, Idaho
USAC Corporate Offices and Plant,Thompson Falls, Montana1 Madero Smelter, Coahuila, Mexico2 Puerto Blanco Flotation/Gravity Mill, Guanajuato, Mexico3 Antimony Oxide Ore Gravity Mill, Wadley, San Luis Potosi, Mexico4 Mining - Los Juarez Property, Queretaro, Mexico5 Mining - Soyatal District, Queretaro, Mexico6 Mining - Sierra Guadalupe, Zacetecas, Mexico7 Mining - Guadalupana, Queretaro, Mexico8 Bear River Zeolite Pit, Preston, Idaho9 Bear River Zeolite Plant, Preston, Idaho10

SALES estimates for OCTOBER 2017


PRODUCT October 2016 October 2017 change
311,516 169,204 -45.7%
BRZ zeolite
short tons
828 1,275 +54.0%


sales estimates for the nine months ending September 30, 2016 and 2017

PRODUCT 9 Months ending 09/30/16 9 Months ending 09/30/17 change
2,333,597 1,475,597 -36.8%
BRZ zeolite
10,689 9,446 -11.6%
troy ounces
41,258 25,886 -37.3%
troy ounces
108.2 88.65 -18%









November 9, 2017. Thompson Falls, Montana. United States Antimony Corporation
(“USA American “UAMY”)
will host an investor call at 4:15 P. M. EDT
on Tuesday, November 14, 2017 to review the 2017 third quarter 10Q.

Conference Title:  United States Antimony Corp.

Conference ID:  8732607

Dial In Information:

Toll free: 1-888-244-2417

International:  1-719-884-1604

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November 6, 2017. Thompson Falls, Montana. United States Antimony Corporation (“USAC”, NYSE American “UAMY”).

Sales were down at the end of October 2017 due to a 30,592 pound truckload that had been produced but not shipped. At the beginning of October 2017, theaverage Rotterdam price of Grade I antimony metal per metric ton was $8,350($3.788 per pound), and by the end of October, the price had decreased to$8,117.86 ($3.682 per pound) approximately 2.8%.  

During September 2017 the sale of zeolite at BRZ was 897 tons. During October 2017, the sale was 1,275 tons, an increase of 42%. The new sales program is becoming effective.

The sales of antimony, silver and gold were down due to the curtailment of the supply of concentrates from Australia during 2017. During the nine months of 2017 USAC Mexican mines produced 404,385 pounds of contained antimony.

Major cost reductions have been made at the Wadley mine. By early 2018, the gravity mill at Wadley will be started on lower grade ore that has accrued duringthe mining of direct shipping ore (DSO) for the smelter. Powder magazines are being built to re-start production of DSO and mill feed from the Soyatal district mines. In Zacatecas, the Guadalupe Mines access road will be repaired and mining will be resumed at the Santa Monica mine for DSO and mill feed. All the information requested for the Los Juarez gold/silver/antimony mine has been given to SEMARNAT (Mexican equivalent of the EPA) for the cyanide circuit permit at the Puerto Blanco mill. The Company expects approval any day in the near future.  

USAC is currently producing antimony tri-sulfide with a new pilot furnace system. The product will be used for primers in center fired ordnance.

CEO John Lawrence said “We are excited about the ramp up of Mexican mine production from Wadley, Soyatal, and Guadalupe; antimony tri-sulfide production, the forth coming permit for the cyanide leach for the Los Juarez gold-silver-antimony deposit, and the increase in BRZ  zeolite sales. We continue to evaluate several financial and strategic opportunities presented to the Company that could significantly enhance production, cash flow, and profitability. The nature of these opportunities does not involve dilution of any kind. We will keep you advised on these opportunities.”

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