Flawless 4.18ct Fine Rare Silimanite | 9MM SIZE | Natural from Madagascar
- UGS
- Dimensions (mm)
- 9.2 x 9.1 x 6.9mm
- Poids (cts)
- 4.18
- Treatment
- No Treatment
- Shape
- Round
- Type
- Faceted
- Clarity
- VVS
- Couleurs
-
Welcome to SuchenGems!
Sillimanite is a rare, brittle, aluminum silicate mineral that's often found in metamorphic rocks. It's a polymorph of kyanite and andalusite, meaning it has the same chemical composition but a different crystal structure.
Description
Color: Sillimanite can be colorless, white, yellow, brown, green, or blue
Appearance: Sillimanite is usually fibrous or massive, with needle-like crystals that are often parallel or twisted
Luster: Sillimanite has a silky luster
Optical properties: Sillimanite can exhibit chatoyancy, or a bright, narrow slit, similar to a cat's eye
Formation
Sillimanite forms in high-temperature, high-pressure metamorphic rocks
It's often found in pelitic metamorphic rocks, such as mica-schists, gneisses, and cornubianites
It can also be found in granitic rocks and pegmatites
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- UGS
- Dimensions (mm)
- 9.2 x 9.1 x 6.9 mm
- Poids (cts)
- 4.18
- Treatment
- No Treatment
- Shape
- Round
- Type
- Faceted
- Clarity
- VVS
- Couleurs
-
Welcome to SuchenGems!
Sillimanite is a rare, brittle, aluminum silicate mineral that's often found in metamorphic rocks. It's a polymorph of kyanite and andalusite, meaning it has the same chemical composition but a different crystal structure.
Description
Color: Sillimanite can be colorless, white, yellow, brown, green, or blue
Appearance: Sillimanite is usually fibrous or massive, with needle-like crystals that are often parallel or twisted
Luster: Sillimanite has a silky luster
Optical properties: Sillimanite can exhibit chatoyancy, or a bright, narrow slit, similar to a cat's eye
Formation
Sillimanite forms in high-temperature, high-pressure metamorphic rocks
It's often found in pelitic metamorphic rocks, such as mica-schists, gneisses, and cornubianites
It can also be found in granitic rocks and pegmatites
| Fournisseur | Destination | Coût |
|---|---|---|
| Standard Shipping - Tracked Défaut |
Reste du monde
21
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| DHL |
Reste du monde
7
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Reste du monde
7
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| Standard Shipping - Tracked Défaut |
Thaïlande
7
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| DHL |
Thaïlande
3
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Thaïlande
2
|
premier article
par article supplémentaire
frais de port plafonnés à
|
"Family-owned and operated, SuchenGems promises exceptional service, quality, and authenticity.
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Positif
Beautiful, thank you!
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PositifVery fast delivery and a nice gem thank you