Whewellite

Whewelliet, Whewellit, Whewellita, Уэвеллит, 水草酸鈣石, ウェウェルライト


Commonly known      rarer (so called collectors stones)      very rare (rarities)      relatively rare organic material


Formula: CaC2O4·H2O
Mineral class: oxalates
Crystal system: monoclinic
Mohs scale: 2.5 - 3
Density (g/cm3): 2.21 - 2.23
Refractive index: 1.489 - 1.651
Cleavage: different
Colors: colorless, white, light yellow, light brown
Transparency: transparent
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest crystal: 23 cm?
Deposits: worldwide
Discovery: pre 1840?
1st Description: 1840 (Brooke)
Name: in honor of the British mineralogist William Whewell (1794 - 1866)

Whewellite Mineral

Size: 0.59 x 0.47 cm

Origin: Germany

Photo by kind permission of © Darlene Cobler
Whewellite Mineral
Whewellite

Weight: 18.15 ct

Origin: Saxony / Germany

Photo by kind permission of © www.minclassics.com

Whewellite Mineral

Size: 2.9 x 2.8 x 2.3 cm

Origin: Bad Schlema / Saxony / Germany

Photo by kind permission of © www.irocks.com
Whewellit Mineral


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