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7.60 Cts-Rhodhochrosite Cabochone TBG-4205 truebluegems

587
1

Artikelnummer
TBG-4205
Abmessungen (mm)
14.000 x 14.000 x 5.000mm
Gewicht (cts)
7.600
Treatment
No Treatment
Shape
Round
Typ
Cabochon
Farben

TRADING AS LIGHTNINGOPALS LLC-TRUEBLUEOPALS AND GEMS

RHODHOCROSITE

Origin Argentina


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 $30.00 / 2 $30.00 / 21
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truebluegems
family business
Mermaid Beach , Australia
Verifiziert
5057 Feedback

  • bonusbloke
    bonusbloke
    Positiv

    Small but perfectly formed! Arrived very quickly thanks.

  • jtgems
    jtgems
    Positiv

    Very nice very tiny

  • sandyatayrshire2
    sandyatayrshire2
    Positiv

    Paid and shipped - no feedback left after 100 days

  • sandyatayrshire2
    sandyatayrshire2
    Positiv

    Paid and shipped - no feedback left after 100 days

  • ian2508
    ian2508
    Positiv

    Paid and shipped - no feedback left after 100 days

40%
Gutscheincode Gift
Gültig bis
31st Dec 2024

Prüfung

Dieses Produkt wurde von Gemstone Sheriff geprüft und es wurde Folgendes festgestellt:
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Comments

The Verified Seller responsible for this item has diligently provided us with accurate and comprehensive information, encompassing crucial details such as weight, dimensions, and treatment. It is important to reiterate our commitment to upholding the highest standards of integrity and transparency in the gemstone industry. As part of our policy, we strictly permit the sale of exclusively natural gemstones that have been sourced directly from the Earth. However, in the event that a gemstone has undergone any form of treatment, it is mandatory for the seller to provide full disclosure regarding the treatment process. Furthermore, we would like to emphasize that man-made gemstones, including simulants and imitations, are strictly prohibited on our platform. We prioritize the promotion of authentic, natural gemstones to ensure a genuine and trustworthy marketplace for our valued customers. Should you have any further inquiries or require additional assistance, please do not hesitate to reach out. We are here to assist you and provide a seamless experience on Gem Rock Auctions.

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Zuletzt aktualisiert vor 6 Monaten

Versanddetails

Versand:
$30.00 14 über Standard Shipping - Tracked
Schiffe von:
Australia

Zahlungsmöglichkeiten

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Überblick

Auflistungstyp : Standard
Produkt ID : 2442029
Beginnt : 8th December 2024 05:08 pm PST
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