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6.60 Cts-Rhodhochrosite Cabochone (2 PCS) TBG-4237 truebluegems

724
1

SKU
TBG-4237
Afmetingen (mm)
9.000 x 9.000 x 4.000mm
Gewicht (cts)
6.600
Treatment
No Treatment
Shape
Round
Type
Cabochon
Kleuren

TRADING AS LIGHTNINGOPALS LLC-TRUEBLUEOPALS AND GEMS

RHODHOCROSITE

Origin Argentina

2 PCS
POLISHED

Beautiful PINK COLOUR
Treatment-NONE

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. References. Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3.

Crystal system‎: ‎Trigonal

Mohs scale hardness‎: ‎3.5-4

Crystal class‎: ‎Hexagonal scalenohedral (3m); ...

Optical properties‎: ‎Uniaxial (-)

Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its (rare) pure form, it is typically a rose-red color, but impure specimens can be shades of pink to pale brown. It streaks white, and its Mohs hardness varies between 3.5 and 4. Its specific gravity is between 3.5 and 3.7. It crystallizes in the trigonal system, and cleaves with rhombohedral carbonate cleavage in three directions. Crystal twinning often is present. It is transparent to translucent with refractive indices of =1.814 to 1.816, =1.596 to 1.598. It is often confused with the manganese silicate, rhodonite, but is distinctly softer.

Rhodochrosite forms a complete solid solution series with iron carbonate (siderite). Calcium, (as well as magnesium and zinc, to a limited extent) frequently substitutes for manganese in the structure, leading to lighter shades of red and pink, depending on the degree of substitution. It is for this reason that the most common color encountered is pink.

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DHL krijgt korting op $30.00 bij bestellingen met 2 of meer artikelen

  • willis106
    willis106
    Positief

    Gorgeous gem. Clear and beautiful

  • gatorbearca
    gatorbearca
    Positief

    Gemstone as described Will buy from this seller again

  • gatorbearca
    gatorbearca
    Positief

    Gemstone as described Will buy from this seller again

  • gatorbearca
    gatorbearca
    Positief

    Gemstone as described Will buy from this seller again

35%
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Geldig tot
1st Apr 2025

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Verzendgegevens

Verzenden:
$30.00 14 dagen via Standard Shipping - Tracked
Schepen van:
Australia

Betalingsmogelijkheden

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Overzicht

Vermeldingstype : Standard
Product-ID : 2445527
Begint : 7th March 2025 04:16 pm PST
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