Scheelite from the Strawberry Mine, California, USA

Contributed by: Simone Conti
minID: 264-DK4
Date: Aug 19th, 2026
Locality: Strawberry Mine (Strawberry Tungsten Mine; Strawberry-Macdougald Tungsten; Strawberry Tungsten deposits), Timber Knob, Madera County, California, USA (See on Mindat)
Size: 9 x 3 x 17 cm
Weight: 645 g

Description:
Dots and patches of scheelite on matrix. Fluorescent blue and yellow under shortwave UV light. The yellow fluorescent mineral could be either powellite, or Mo-rich scheelite.

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Scheelite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow