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RHODONITE SPECIMEN BRAZIL 1762 CTS[ .MX9181 [W]

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Dimensions (mm)
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MINERAL GEM WORLD

RHODONITE SPECIMEN

Rhodonite is well known among collectors for its beautiful pink and red color. The red variety can be so deep red that it rivals the color of Ruby.

This is a stunning large specimen from  Brazil

 weight 1762 cts app

Size 70x67x50  mm app

 


Rhodonite is an attractive mineral that is often carved and used in jewelry. It is named after the Greek word for rose, rhodon. Its rose-pink color is distinctive and can only be confused with rhodochrosite and the rare mineral, pyroxmangite, MnSiO3. Rhodochrosite however is streaked with white minerals such as calcite and is reactive to acids. While rhodonite does not react to acids and is usually associated with black manganese minerals and pyrite. Pyroxmangite is a little harder to distinguish because the two minerals are closely related and x-ray studies are usually needed when found massive. Crystals of pyroxmangite are often twinned as is not the case with rhodochrosite crystals. Crystals of rhodonite, while not in nearly the same abundance as massive rhodonite, are still found and distributed on the mineral markets. They come from a few notable localities and are considered classics by collectors.

 

PHYSICAL CHARACTERISTICS:

  • Color is typically pink to red or orange and even black.
  • Luster is vitreous to dull to pearly on polished surfaces.
  • Transparency: Crystals are generally translucent and rarely transparent.
  • Crystal System is triclinic; bar 1
  • Crystal Habits include crystals that have a blocky prismatic habit, however crystals are rare. More typically massive, coarse and fine granular aggregates.
  • Cleavage is perfect in two directions forming prisms with a rectangular cross-section.
  • Fracture is conchoidal.
  • Hardness is 5.5 - 6.5.
  • Specific Gravity is approximately 3.4 - 3.7+ (above average for translucent minerals)
  • Streak is white.
  • Associated Minerals are calcite, pyrite, microcline, spessartine, pyroxmangite and other manganese minerals.
  • Other Characteristics: May tarnish to a brown or black color upon exposure.
  • Notable Occurrences include Ural Mountains, Russia; Broken Hill, Australia; Langban, Sweden, Menas Gerais, Brazil and Massachusetts and Franklin, New Jersey, USA.
  • Best Field Indicators are color, black inclusions, lack of reaction to acid and hardness.

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Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items

sedagems
sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
Mermaid Waters, Australia
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  • ryumaru
    ryumaru
    Positive

    Beautiful ametrine. Very fast delivery. Professional seller

  • kewpie
    kewpie
    Positive

    Really beautiful piece. Very happy

  • laurahawkmoth
    laurahawkmoth
    Positive

    Amazing, beautiful & mysterious impactite

  • laurahawkmoth
    laurahawkmoth
    Positive

    amazing inner life & iridescence -- lovely

  • kewpie
    kewpie
    Positive

    this is SUCH a nice piece - they have a lifetime customer - great customer service and communication - THANK YOU

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Audit

This product has been audited by a Gemstone Sheriff and they have found the following:
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The Verified Seller has provided accurate and complete information for this item including weight, dimensions and treatment

This audit was requested 4 years ago
Last updated 4 years ago

Shipping Details

Shipping:
$16.00 21 days via Registered Shipping
Ships from:
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Overview

Listing Type : Standard
Product ID : 227762
Starts : 20th November 2024 11:00 pm PST
* All prices are in USD