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Find Verified Semi Precious Stones Suppliers, Manufacturers and Wholesalers

Dec-19-23

Spinel

MOQ: Not Specified
Supplier From Dar Es Salaam, Tanzania
 
Spinel
Origin: Mahenge,Tanzania
Colour: Intense Pink.
Carat weight: 2.10 cts
Clarity: SI
Measurement: 8.86mm X 6.40mm X 5.09mm

Status:Available
Dm for Price
Apr-23-24

Ceylon Blue Sapphire

$1.7k
MOQ: Not Specified
 
1.10 Carat, Natural Cornflower -

We source our sapphires from world renowned ethical markets/mines in Sri Lanka (Ceylon). We provide certificate free of charge on request. Send us a message to find out more. DIRECT FROM MINE


Natural Blue sapphire 1.10 Carat, Genuine blue sapphire, blue sapphire wedding ring, blue sapphire jewelry, blue sapphire engagement ring, blue sapphire pendant, blue sapphire earrings, Untreated blue sapphire

STONE INFORMATION

Variety/Species: Sapphire
Shape: Round
Cutting Style: Brilliant
Clarity Grade: VVS2
Weight: 1.10carats
Color: Cornflower blue
Dimension: 6.70*5.20*3.90mm
Treatment: Heated & Untreated
Country of Origin: Ceylon
more info visit ceylongem.pt
The stone has not received any chemical treatments. NOT a lab created or cultured stone.

Note: Gemstone colors may vary depending on your monitor settings. Photos and video are taken in natural daylight, unedited to better understanding of the gemstone color
Apr-13-24

Natural Gemstones

$201.3k
MOQ: Not Specified
Supplier From Noida, Uttar Pradesh, India
 
GemLab Laboratory certified The Real Certified Natural Gemstones Ruby, Blue Sapphire, Yellow Sapphire, Pearl, Red Coral, Emerald, Hessonite, Cats Eye, Diamond.
Apr-08-24

Lapis Lazuli

$100.00
MOQ: Not Specified
 
Lapis lazuli from Afghanistan, best quality. Quantity under requets. Raw stones, polished stones, spheres, pyramids, obelisks.
Feel free to contact us and ask all request.
We have physical stocks in France and can delivered all over the world.
Feb-28-24

Natural Yellow Sapphire

$3.2k
MOQ: Not Specified
Supplier From Kahawatta, Sabaragamuwa, Sri Lanka
 
Eye Clean
5.00ct
Heated
Dm for more details
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Jan-29-24

Light Yellow Pukhraj

$620.00
MOQ: Not Specified
Supplier From Jaipur, Rajasthan, India
 
As a gemstone expert, I can confidently say that this 3.55 carat gemstone is a rare find. Its certification and light yellow color only add to its value and appeal. Sourced from Sri Lanka, this gem is sure to make a stunning addition to any collection.
Jan-04-24

Opal Rough

$2.00
MOQ: Not Specified
 
Selling rough opal from mintabie Australia
Dec-31-23

Sri-Lanka Sapphire

$0.00
MOQ: Not Specified
Supplier From Ratnapura, Sabaragamuwa, Sri Lanka
 
All Sri Lanka Crystals. Sapphire , Spinel, Zircon, Chrysoberyl. wholesale Supplier.
Thanks ,Cancroceylon.
Dec-28-23

Star Sapphire

$1.0k
MOQ: Not Specified
 
Weight 174.10 cts
Shape : Round
Cutting style : cabochon
Colour : Blue
Dec-26-23

Sapphire

$4,000.0k
MOQ: Not Specified
 
Weight 40.766ct
shape & cut: antique cushion, brilliant
measurement: 16.65 x 16.28 x 15.47mm
color : blue of medium strong
identification: SAPPHIRE

origin: Burma (Myanmar)
Dec-17-23

Mahenge Spinel

$210.00 - $30.0k
MOQ: Not Specified
 
Mahenge spinel is a stunning gem that is found from the Mahenge region of Tanzania in East Africa. The stone has a rich, deep red color and is known for its exceptional clarity. Mahenge spinel is relatively rare, making it a sought-after gem by collectors. The stone is also durable, making it ideal for use in jewelry making
Dec-17-23

Opal

$130.00 - $500.00
MOQ: Not Specified
 
The opal carries with it mythology from all over the world. In the Roman Empire, it was once considered the most valuable and highly sought-after stone. opal may help with positive manifestation, particularly relating to financial goals. Because it is considered a lucky stone, wearing it is said to help bring your energy and dreams into alignment.
Dec-09-23
 
The yellow sapphire gemstones are linked to the planet Jupiter, which represents wisdom and knowledge. Wearing yellow sapphire is said to enhance intellectual abilities, improve concentration, and facilitate better decision-making.
visit our website for more information and other products.
Dec-08-23

Irani Fairoza Gemstone

$1.00
MOQ: Not Specified
Supplier From Chikkabalapur, Karnataka, India
 
Irani fairoza available ring size
10 ct to 60 ct best quality
According to Indian rupees
Per ct 80 rupees
Dec-04-23

Sapphire

$1.00 - $100.00
MOQ: Not Specified
 
Sapphire Crystal Window
Sapphire windows are used in some non-ornamental applications, including infrared optical components, such as in scientific instruments; high-durability windows and movement bearings;Due to sapphire's remarkable hardness (third hardest mineral, right behind diamond and moissanite).

Features of Sapphire Crystal

1. High-hardness - abrasion resistance
2. Transparency - in the range from ultraviolet to infrared light (0.15 - 5.5 �µm)
3. Chemical resistance and heat resistance - resist almost all kinds of acid and alkaline, heat up to 2000 �ºC.
4. Suitable for the application of insulation property required.

Sapphire Crystal Property

Crystal structure: Hexagonal
Lattice: a=4.785Ã??, C=12.991Ã??
Density: 3.98g/cm3
Transmission Range: 150-5500nm
Melting Point: 2040�°C
Specific Heat: 0.418 W.s/g/K
Thermal Conductivity: 25.12 W/m/K
Thermal Shock Resistance: 790 W/m
Thermal Expansion Coefficient: 5.8x10E-6/K
dn/dT: 13x10E-6/K @633nm
Hardness: 9 Mohs
Refractive Index: 1.83 @0.26mm, 1.76 @0.63mm, 1.58 @5.57m

Sapphire Crystal Applications

- UV and IR Optics
- Windows for High Temperature and Pressure, Corrosion Resistance, Abrasion Resistance
- Heat Sink and Thermocouplers; Semiconductor Wafer Carriers
- Electrical Insulators
- Thin Film Deposition
- Transparent Electronic Substrate
- Silicon on Sapphire Wafers; Superconductor Substrate

Sapphire Crystal Window Specifications

Diameter Tolerance(mm): +0.0/-0.2 (General), +0.0/-0.1 (High Precision)
Thickness Tolerance(mm): �±0.2 (General), �±0.05 (High Precision)
Clear Aperture: >75% (Small Size), >90% (Large Size)
Parallelism: 3 min. (General), 10 sec. (High Precision)
Surface Quality: 80/50 (General), 40/20 (High Precision)
Flatness (per 25mm@633nm): �»(General), �»/4 (High Precision)
Bevel (face width x 450 0)
Nov-07-23

Burmese Jade (Jadeite)

$20.00
MOQ: Not Specified
 
Jadeite (Fei Sui)

Jadeite is a rare and precious gemstone known for its beauty, durability, and symbolic significance. It is prized for its rich colors, ranging from translucent white to deep emerald green. Found in various locations worldwide, the most notable sources are Myanmar (Burma) and Guatemala.

Key Features:

Rich colors, from translucent white to deep emerald green
High hardness and durability, making it ideal for jewelry and decorative objects
Associated with wealth, power, and prosperity
Popular choice for engagement rings and special occasion jewelry
Available Items:

- Jadeite cabochons
- Jadeite beads
- Jadeite bracelets
- Jadeite pendants
- Jadeite carvings
- Wholesale Pricing:

Jadeite pricing starts from 12 USD for standard Jadeite bangles (MOQ requirement). Contact us for other Jadeite items and wholesale pricing.
Nov-07-23

Rough Stones

$3.00
MOQ: Not Specified
 
Unpolished amber stones in a variety of colors, including golden yellow, red, black, and cognac. Available in weights ranging from 500 grams to 3,000 grams per stone.
Nov-04-23

Golden Topaz Gemstones

$0.00
MOQ: Not Specified
Supplier From Dubai, Dubai, United Arab Emirates
 
QTY/WT: 533.08 cts
Yellow topaz is a natural golden stone that has been prized for its beauty and symbolism for centuries. It ranges in color from yellow-brown to golden and can be found around the world. Yellow topaz jewelry is widely available and can often feature diamonds or other precious stones as accents.
Nov-04-23

Emerald Gemstones

$0.00
MOQ: Not Specified
Supplier From Dubai, Dubai, United Arab Emirates
 
QTY/WT: 964.23 cts
Emerald is the bluish-green to green variety of beryl, a mineral species that includes aquamarine. A highly saturated green color defines high-quality emerald. Emerald cuts have concentric parallel rows of facets and beveled corners.
Nov-04-23

Citrine Gemstone

$0.00
MOQ: Not Specified
Supplier From Dubai, Dubai, United Arab Emirates
 
QTY/WT: 107.82 cts

Citrine Gemstone Basic Properties Table
Chemical Formula Silicon dioxide
(SiO2)
Color light yellow to dark yellow,
gold-brown
Hardness 7 on the Mohs scale
Crystal System Hexagonal (trigonal); hexagonal
prisms with pyramids
Refractive Index 1.544 - 1.553
Transparency Transparent
Cleavage None
Fracture Conchoidal, very brittle
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