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Diameter, mm (1mm - 0,039inch)

Collectible minerals - full range in stock "Rhodochrosite"

Rhodochrosite (manganese spar) is another name for "Inca rose". Legend has it that this stone is the blood of ancient rulers. It first became known in the 13th century, when it began to be mined in the mines of America. Contains manganese, which determines its color. It has perfect cleavage, which makes it difficult to use in jewelry. Forms both crusts and crystals. Very decorative. Poorly tolerates weathering, turning into other minerals. Formed in hydrothermal veins, also found in deep-sea sediments. It is the extreme member of the isomorphic series of rhodochrosite-siderite in terms of the ratio of manganese-iron in the composition.
You can see rhodochrosite stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Rhodochrosite

Category Carbonate minerals
(repeating unit)
IMA symbol Rds
Strunz classification 5.AB.05
Crystal system Trigonal
Crystal class Hexagonal scalenohedral (3m)
H-M symbol: (3 2/m)
Space group R3c
Unit cell a = 4.777, c = 15.67 [Å]; Z = 6
Formula mass 114.95 g/mol
Color Pink, rose, rose-red, red, cherry-red, yellow, yellowish gray, gray, cinnamon-brown, white, may be banded; colourless to pale rose in transmitted light.
Crystal habit Rhombohedral and scalenohedral crystals; also commonly bladed, columnar, stalactitic, botryoidal, granular or massive
Twinning On {1012} as contact and lamellar
Cleavage On {1011} perfect; parting on {1012}
Fracture Uneven, conchoidal
Tenacity Brittle
Mohs scale hardness 3.5–4
Luster Vitreous to pearly
Streak White
Diaphaneity Transparent to translucent
Specific gravity 3.7
Optical properties Uniaxial (-)
Refractive index nω = 1.814–1.816 nε = 1.596–1.598
Birefringence δ = 0.218
Pleochroism weak
Ultraviolet fluorescence None
Code: 792
Priozernoe, Kerch, Crimea

0.00 $ $76.36

Code: 2635
Priozernoe, Kerch, Crimea

0.00 $ $106.91

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