Welcome to Mineral-Mine. We offer you high quality
of gemstones with value pricing. All purchase are 100%
 guaranteed. Various gemstones from famous origin around
the world. No risk payment and satisfaction guarantee.
We welcome you explore our store , Mineral-Mine



Gem Description

Gem ID
Pieces
Name
Species
Hardness (Moh's scale)
Luster
Refractive Index (RI)
Specific Gravity (SG)

Opa78
1
White Opal
Opal
6.5
Vitreous
1.45
2.15

Transparency
Origin
Carat Weight
Dimension(mm)(L x W x D)
Shape
Color
Clarity
Comment

Semi-Transparent
White cliffs , Australia
1.31 ct
9.00 mm x 6.70 mm x 4.28 mm
Cabochon
Orange Green Flash
VVS1
None 

 

GIA Treatment Table

 

GIA Source Type Table

 

GIA Clarity Grades Chart

VVS1

Very Very Slightly Included - Minute to not detectable
Minute inclusions, difficult to see under 10X. Eye clean.

VVS

Very Very Slightly Included - Minor inclusions
Minor inclusions, somewhat easy to see with 10X. Usually eye clean.

VS

Very Slightly Included - Noticeable to Obvious
Noticeable inclusions under 10X. May be eye visible.

SI1

Slightly Included - Noticeable to obvious
Obvious inclusions, large or numerous under 10X. Apparent to unaided eye.

SI2

Slightly Included 2 - Obvious to prominent
Obvious inclusions, large or numerous under 10X. Very apparent to unaided eye.

I1

Included 1 - Prominent
Moderate effect on appearance or durability.

I2

Included 2 - Prominent
Severe effect on appearance or durability.

I3

Included 3 - Prominent
Severe effect on both appearance and durability.

DCL

Declasse - Not transparent
Stones not transparent because of inclusions.

 

Scale transparency

Transparent

Objects seen through the gemstone look clear and distinct.

Semitransparent

Objects look slightly hazy or blurry through the stone.

Translucent

Objects are vague and hard to see.

Semitranslucent

Only a small fraction of light passes through the stone, mainly around the edges.

Opaque

Virtually no light can pass through the gemstone.

 

Shipping

The purchased item will be shipped within 3 business days after receive payment confirmation.
There are 2 types of shipping method  as below :

US$ 50. (for USA only). Delivery within 4 -7 days

Registered Airmails: Worldwide
US$15 (Insurance included) .Delivery within 20-30 days
Combined delivery : Maximum 5  items per shipment within 7 days
(  FREE Insurance and shipping cost for the 2nd - 5th item) .

For France , Germany & Italy delivery within 4 - 8 weeks .

 

Payment

We accept Paypal for payment  which must be made within 7 days after the auction ends.

 

Return

If you are not satisfied with our product , please contact us before you return .
All products must be returned within 14 days for a refund ( except Shipping & Handling cost which is non-refundable)
You're responsible for the return shipping cost . For damaged product could not be returned.