Stolzite

Formula: PbWO₄
Mineral class: wolframates
Crystal system: tetragonal
Mohs scale: 2.5 - 3
Density (g/cm³): 8.34
Refractive index: 2.18 - 2.27
Cleavage: indistinct - imperfect
Colors: colorless, white, grey, yellow, orange, brown, green
Transparency: transparent - translucent
Luster: sub-adamantine - resinous
Fluorescence: SW UV: yellow, LW UV: orange - reddish
Pleochroism: -
Largest crystal: 6 cm?
Deposits: worldwide
Discovery: ?
1st Description: 1820 (Breithaupt)
Name: in honor of the Czechoslovakian mineralogist Joseph Alexis Stolz (1803 - 1896)

Stolzite Mineral

Image width: 0.4 cm

Origin: Clara Mine / Rankach Valley / Oberwolfach / Black Forest / Germany

Photo by kind permission of © Stephan Wolfsried

Stolzite

Size: 0.54 x 0.3 cm
Weight: 0.97 ct
Origin: France

Photo by kind permission of © Darlene Cobler

Stolzite

Weight: 1.43 ct

Origin: Ste. Lucie Mine / St Léger-de-Peyre / Languedoc-Roussillon / France

Photo by kind permission of © www.thegemtrader.com

Stolzite Mineral

Image width: 0.3 cm

Origin: Clara Mine / Rankach Valley / Oberwolfach / Black Forest / Germany

Photo by kind permission of © Stephan Wolfsried

Stolzite Mineral

Size: 3.9 x 2.9 x 2.0 cm

Origin: Broken Hill / Yancowinna County / New South Wales / Australia

Photo by kind permission of © www.mineralman.com

Stolzite Mineral

Size of the crystal: 0.8 mm

Origin: Clara Mine / Rankach Valley / Oberwolfach / Black Forest / Germany

Photo by kind permission of © Domenico Preite

Stolzite Mineral

Size: 3.6 x 3.2 x 1.8 cm

Origin: Ste. Lucie Mine / St Léger-de-Peyre / Languedoc-Roussillon / France

Photo by kind permission of © www.irocks.com

Stolzite Mineral

Size: 3.6 x 3.0 x 2.6 cm

Origin: Broken Hill / Yancowinna County / New South Wales / Australia

Photo by kind permission of © www.irocks.com

Stolzite Mineral

Size: 3.1 x 2.7 x 0.7 cm

Origin: Ste. Lucie Mine / St Léger-de-Peyre / Languedoc-Roussillon / France

Photo by kind permission of © www.fabreminerals.com