Black Pearl Mine

The Black Pearl Mine is a gold and silver mine located in Gem county, Idaho at an elevation of 4,400 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Black Pearl Mine  

State:  Idaho

County:  Gem

Elevation: 4,400 Feet (1,341 Meters)

Primary Mineral: Gold, Silver

Lat, Long: 43.8511, -116.30360

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Satelite image of the Black Pearl Mine

Black Pearl Mine MRDS details

Site Name

Primary: Black Pearl Mine
Secondary: Red Warrior Lode
Secondary: Leviathan Lode


Primary: Gold
Primary: Silver
Tertiary: Zinc
Tertiary: Lead
Tertiary: Copper


State: Idaho
County: Gem
District: West View Dist.

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Not available


Type: Surface/Underground


Not available


Not available


Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Discovery Method: Ore-Mineral In Place
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Sawtooth Mountains

Mineral Deposit Model

Not available




Not available


Alteration Type: L
Alteration: Fe Stains


Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: 0.62 OZ AU/TON, 4.0 OZ AG/TON
Analytical Data: ASSAY: AVG. 0.6 OZ AU/TON. PICKED SAMPLES: 1.16 OZ AU/TON, 2.5 OZ AG/TON


Ore: Galena
Ore: Sphalerite
Gangue: Dolomite
Gangue: Calcite
Gangue: Quartz


Comment (Location): Joins The Leviathan On The East

Comment (Reserve-Resource): Large Reserves Remain Unmined Because The Recovery Of Metal From Sulphides Was Difficult During The Time Of Operation.

Comment (Production): Prod: < $300,000

Comment (Development): 3 Lodes, Including The Red Warrior And The Leviathan.

Comment (Workings): Some Surface Cuts

Comment (Geology): Original alteration entry: Local - Fe Stains

Comment (Geology): Original ore control entry: Shear Zone


Reference (Deposit): Anderson, Alfred L., 1934, Geology Of The Pearl - Horseshoe Bend Gold Belt, Idaho: Idaho Bureau Of Mines & Geol. Pamphlet 41, P. 27

Reference (Production): Anderson, A. L. 1934, Idaho Bureau Of Mines & Geol. Pamphlet 41. P. 27

Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.