Rhodonite
Broken Hill, Broken Hill district, Yancowinna Co., New South Wales, Australia
3.60 carats
© Rarestone.com
Transparent crystals are rare and seldom exceed 1g in weight but they can be cut as excellent gems.
Rhodonite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Rhodonite Gemstones by Size
This table shows distribution of Rhodonite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.26 cts
Heaviest:3.60 cts
Average:2.31 cts
Total photos:3
Do you have a larger Rhodonite? Why not upload a photo?
| General Information | |||||||||||||||||||||||||||||||
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| Chemical Formula |
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| Photos of natural/un-cut material from mindat.org | |||||||||||||||||||||||||||||||
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| Rhodonite Treatments | |||||||||||||||||||||||||||||||
| May be dyed: acetone test - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 3 | |||||||||||||||||||||||||||||||
| Physical Properties of Rhodonite | |||||||||||||||||||||||||||||||
| Mohs Hardness | 5.5 to 6.5, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Specific Gravity | 3.40 to 3.76, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Cleavage Quality | Perfect, Gemmological Tables (2004) More from other references | ||||||||||||||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | ||||||||||||||||||||||||||||||
| Optical Properties of Rhodonite | |||||||||||||||||||||||||||||||
| Refractive Index | 1.711 to 1.752, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Birefringence | 0.010 to 0.014, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Pleochroism | Distinct: yellowish-red - pinkish-red - yellowish-red, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Dispersion | None, Gemstones of the world (2001) | ||||||||||||||||||||||||||||||
| Colour | |||||||||||||||||||||||||||||||
| Colour (General) | Red, gray-red - (opaque); red, orange-red (transparent), Gemmological Tables (2004) More from other references | ||||||||||||||||||||||||||||||
| Causes of Colour | Pink, Mn2+ in octahedral coordination, with minor Fe2+. Mn3+ in octahedral coordination, Pragmatic Spectroscopy For Gemologists (2011) | ||||||||||||||||||||||||||||||
| Transparency | Opaque, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Lustre | Vitreous,Dull (Earthy), Gemstones (2009) | ||||||||||||||||||||||||||||||
| Fluorescence & other light emissions | |||||||||||||||||||||||||||||||
| Fluorescence (General) | Inert, Blue Chart Gem Identification (2010) | ||||||||||||||||||||||||||||||
| Crystallography of Rhodonite | |||||||||||||||||||||||||||||||
| Crystal System | Triclinic, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||||||||||||
| Habit | Commonly tabular or cleavable masses., Gems, Sixth Edition (2006) More from other references | ||||||||||||||||||||||||||||||
| Geological Environment | |||||||||||||||||||||||||||||||
| Where found: | Rhodonite occurs in manganese deposits formed by hydrothermal contact and regional metamorphism., Gems, Sixth Edition (2006) | ||||||||||||||||||||||||||||||
| Further Information | |||||||||||||||||||||||||||||||
| Mineral information: | Rhodonite information at mindat.org | ||||||||||||||||||||||||||||||
| Significant Gem Localities | |||||||||||||||||||||||||||||||
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