Nifontovite

Nifontoviet, Nifontovit, Nifontovita, Нифонтовит, ニフォントフ石


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


Formula: Ca3B6O6(OH)12·2H2O
Mineral class: borates
Crystal system: monoclinic
Mohs scale: 3.5 - 5
Density (g/cm3): 2.35 - 2.36
Refractive index: 1.575 - 1.584
Cleavage: poor
Colors: colorless, grey
Transparency: transparent - semitransparent
Luster: vitreous
Fluorescence: LW UV: violet
Pleochroism: -
Largest crystal: 6 cm?
Deposits: Japan, Mexico, Russia
Discovery: 1961
1st Description: 1961 (Lisitsyn, Malinko)
Name: in honor of the Russian geologist Roman Vladimirovich Nifontov (1901 1960)

Nifontovite Mineral

Size: 1.5 x 0.4 x 0.3 cm

Origin: Rey y Reina Mine / Charcas / San Luis Potosi / Mexico

Photo by kind permission of © www.lucianabarbosa.com
Nifontovite Mineral

Nifontovite

Size: 1.35 x 0.74 cm
Weight: 2.16 ct
Origin: Charcas / San Luis Potosi / Mexico

Photo by kind permission of © www.rarestone.com

⇐ Intro Page ⇐ Gemstones