Stone: Spinel

Origin: Tanzania

Treatment: None

Clarity: Same As Images And Video

Color: Blue

Details:

Mineral Class: Oxide

Chemical Formula: MgAl2O4 (Magnesium Aluminum Oxide)

Crystal System: Cubic

Hardness (Mohs): 7.5 – 8

Specific Gravity: 3.58 – 3.61

Refractive Index: 1.712 – 1.736

Birefringence: None (isotropic)

Luster: Vitreous

Transparency: Transparent to opaque

Pleochroism: None

Typical Treatments: Usually untreated, though some may be heat-treated

Colors Available: Red, Pink, Blue, Violet, Purple, Orange, Gray, and Colorless

Payments

- We only accept PayPal from verified members.

- Payment is required within 7 days of auction end, or the item may be re-listed.

Shipping

- Combine multiple items in one parcel to save on shipping costs.

- Shipping will be done via Registered Air Mail within 2 working days.

- Delivery typically takes 10-15 days depending on your location.

Refund

Your satisfaction is guaranteed! If you’re not happy with the purchase, simply return the item in its original condition. Customers only need to cover the return shipping cost. Refunds will be processed within 2-3 days after item inspection.

Clarity Scale

- IF (Internally Flawless): Eye-clean and flawless under 10x magnification

- VVS (Very Very Slight Inclusions): Eye-clean with minor inclusions under 10x magnification

- VS (Very Slight Inclusions): Slight inclusions visible to the naked eye

- SI (Slightly Included): More noticeable inclusions visible to the naked eye

- I (Included): Inclusions clearly visible to the naked eye