Rhodizite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
8,0 – 8,5
Specific Gravity
3,34 – 3,44
Refractive Index
1,684 – 1,694
Crystal System
Isometric
Cleavage
Distinct
Fracture
Conchoidal
Color
various
Mohs Hardness
| Mohs | Reference mineral | Rhodizite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | ● |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Fine ($500-5,000/ct)
Where to Buy Rhodizite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
Treatments
Irradiation of colorless stone produces intense yellow-(greenish): irradiated and natural color fade on long exposure to sunlight - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 3
8 to 8.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.34 to 3.44Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
DistinctArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009)
1.684 to 1.694Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
IsotropicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Anomalous double refractionMore from other references
AnomalousMichael O?Donoghue, Gems, Sixth Edition (2006) Frequently displays anomalous birefringence
NilArthur Thomas, Gemstones (2009)
Colourless, pink, red, yellow-greenUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
Adamantine,VitreousArthur Thomas, Gemstones (2009)
Yellowish to greenishUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Weak to moderate yellow-greenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Some specimens give a strong greenish or yellowish response with some phosphorescenceMichael O?Donoghue, Gems, Sixth Edition (2006)
IsometricHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Dodecahedra and tetrahedraMichael O?Donoghue, Gems, Sixth Edition (2006) More from other references
Rhodizite occurs as a late-stage accessory mineral in alkali-rich granite pegmatites.Michael O?Donoghue, Gems, Sixth Edition (2006)
"Fingerprints", thin needles, growth zoning - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 3
Rhodizite information at mindat.org
Madagascar
Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 443
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871; [Eur.J.Min 13:159-165];
Russia
Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 443
Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 443
About Rhodizite
Rhodizite é um raro mineral de borato de cálcio-césio-alumínio que forma cristais cúbicos ou dodecaédricos incolores a amarelo-claros com brilho adamantino. Pertence ao grupo rhozidite e destaca-se pelo seu índice de refração muito elevado, conferindo excelente brilho quando facetado. Os principais depósitos de qualidade gemológica localizam-se em Madagascar e nas ilhas Elba, em Itália. Com dureza 8, é adequada para uso em joalharia. A sua raridade e brilho excepcional tornam-na altamente cobiçada por colecionadores de gemas incomuns. O brilho da rhodizite facetada rivaliza frequentemente com gemas mais conhecidas.
On this page
Jewelry Use
Durability
9/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Rhodizite?
Rhodizite é um raro mineral de borato de cálcio-césio-alumínio que forma cristais cúbicos ou dodecaédricos incolores a amarelo-claros com brilho adamantino. Pertence ao grupo rhozidite e destaca-se pelo seu índice de refração muito elevado, conferindo excelente brilho quando facetado. Os principais
What is the hardness of Rhodizite?
Rhodizite has a Mohs hardness of 8.0 to 8.5, making it excellent for use in jewelry.
What color is Rhodizite?
Rhodizite is primarily Various.
How much does Rhodizite cost?
Rhodizite falls into the Fine ($500-5,000/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Rhodizite?
Rhodizite belongs to the Isometric crystal system.