Spinel Rough- 13.13 g
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Rough spinel from Burma, Myanmar, weighing 65.67 carats, with no treatment and no heat."
AI-assisted summary
Description from the seller
Beautiful rough spinel
Weight 65.67 carats
Origin Burma
Treatment none
Heat no
* Mineral Group: Spinel
* Chemical Formula: MgAl₂O₄ (Magnesium Aluminum Oxide)
* Crystal System: Cubic (Isometric)
* Hardness: 7.5–8 on the Mohs scale
* Specific Gravity: 3.58–4.10
* Refractive Index: 1.718–1.738
* Luster: Vitreous (glass-like)
* Transparency: Transparent to translucent
* Cleavage: None
* Fracture: Conchoidal to uneven
* Streak: White
* Dispersion: 0.020 (low)
* Pleochroism: None (singly refractive)
* Common Colors: Red, pink, blue, purple, violet, orange, gray, black, and colorless
* Fluorescence: Some red and pink spinels show strong red fluorescence under UV light.
* Durability: Excellent toughness with no cleavage, making it suitable for everyday jewelry.
* Major Sources: Myanmar, Sri Lanka, Tanzania, Vietnam, Madagascar, Afghanistan, and Pakistan.
Beautiful rough spinel
Weight 65.67 carats
Origin Burma
Treatment none
Heat no
* Mineral Group: Spinel
* Chemical Formula: MgAl₂O₄ (Magnesium Aluminum Oxide)
* Crystal System: Cubic (Isometric)
* Hardness: 7.5–8 on the Mohs scale
* Specific Gravity: 3.58–4.10
* Refractive Index: 1.718–1.738
* Luster: Vitreous (glass-like)
* Transparency: Transparent to translucent
* Cleavage: None
* Fracture: Conchoidal to uneven
* Streak: White
* Dispersion: 0.020 (low)
* Pleochroism: None (singly refractive)
* Common Colors: Red, pink, blue, purple, violet, orange, gray, black, and colorless
* Fluorescence: Some red and pink spinels show strong red fluorescence under UV light.
* Durability: Excellent toughness with no cleavage, making it suitable for everyday jewelry.
* Major Sources: Myanmar, Sri Lanka, Tanzania, Vietnam, Madagascar, Afghanistan, and Pakistan.
Details
Main mineral
Spinel
Mineral form
Rough
Weight
13.13 g
Origin (region/city)
Burma
Country of origin
Myanmar
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