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30.1CTS RHODHOCHROSITE FLOWER TBG-3628 truebluegems

1630
1

SKU
Dimenzije (mm)
30.000 x 25.200 x 4.200mm
Težina (cts)
30.100
Boje

TRADING AS LIGHTNINGOPALS LLC-TRUEBLUEOPALS AND GEMS

RHODHOCROSITE

Origin Argentina

SLICES OF FLOWER
highly polished
Natural Rhodochrosite

Beautiful PINK WITH MELON COLOUR FLOWERS
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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truebluegems
truebluegems
family business
Mermaid Beach , Australia
Provjereno
5057 povratne informacije

  • bonusbloke
    bonusbloke
    Pozitivan

    Small but perfectly formed! Arrived very quickly thanks.

  • jtgems
    jtgems
    Pozitivan

    Very nice very tiny

  • sandyatayrshire2
    sandyatayrshire2
    Pozitivan

    Paid and shipped - no feedback left after 100 days

  • sandyatayrshire2
    sandyatayrshire2
    Pozitivan

    Paid and shipped - no feedback left after 100 days

  • ian2508
    ian2508
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    Paid and shipped - no feedback left after 100 days

40%
Kod kupona Gift
Vrijedi do
31st Dec 2024

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Detalji dostave

dostava:
$30.00 14 days putem Standard Shipping - Tracked
Brodovi iz:
Australia

Načini plačanja

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Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 1688937
Počinje : 19th December 2024 05:23 pm PST
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