Pure crimson red,brick-red, to traffic-light red, colored by chromium substituting for aluminum with strong red organ-pipe fluorescence under...
Chemical formula
MgAl₂O₄ + Cr³⁺ (Magnesium Aluminum Oxide with Chromium)
Spinel • Spinel
Jedi Spinel (Trade Description)
Glowing neon hot-pink to electric pinkish-red with virtually zero dark tone ('no dark side'), caused by high chromium and negligible iron (which otherwise quenches fluorescence).
MgAl₂O₄ + Cr³⁺ (Very low Iron content)Mohs 8.0 Mohs
Mineralogical & Gemological Profile
| Mineral Family | Spinel |
|---|---|
| Mineral Species | Spinel |
| Gemological Variety | Pinkish-Red Fluorescent Spinel ('Jedi Spinel' Trade Term) |
| Chemical Composition | MgAl₂O₄ + Cr³⁺ (Very low Iron content) |
| Crystal System | Isometric |
| Mohs Hardness | 8.0 Mohs |
| Specific Gravity | 3.58 – 3.61 |
| Refractive Index | 1.718 |
Color Characteristics & Optical Behavior
Glowing neon hot-pink to electric pinkish-red with virtually zero dark tone ('no dark side'), caused by high chromium and negligible iron (which otherwise quenches fluorescence).
Geological Context & Pakistani / Global Localities
Found in specialized marble deposits in Myanmar (Namya and Man Sin in Mogok) and Tanzania (Mahenge).
Collector Interest & Rarity Factors
Note on nomenclature: 'Jedi Spinel' is a popular trade description—not an IMA mineral species or formal laboratory variety—used to describe high-fluorescence, low-iron pinkish-red spinels that glow in nearly any light condition.
Fine Jewelry Applications
High-impact collector rings and luxury earrings.
Treatment Considerations & Disclosure
Virtually always unheated and untreated.
Care & Cleaning Instructions
Clean with warm soapy water and a soft brush.
Traditional Meaning
Traditional Symbolism & Cultural Heritage
Celebrated by contemporary gem collectors for its unmistakable inner glow and joyful brilliance. August birthstone.
Note: Cultural and birthstone traditions are presented strictly as historical folklore, never as scientifically verified medical or metaphysical effects.
Spinel
Related Entries
Intense electric royal to neon blue caused by trace divalent cobalt (Co2+), distinct from common grayish-blue iron-colored spinel.
Chemical formula
MgAl₂O₄ + Co²⁺ (± Fe²⁺)