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synthetic spinel Manufacturers

I have found results from400+products and200+suppliers aboutsynthetic spinel

Guangxi Wuzhou Starsgem Co., Limitedmic-icon
Satisfies 1/1 of your requirement
Shining Cushion Cut Green Loose Gemstone Nano Spinel Synthetic Spinel

Shining Cushion Cut Green Loose Gemstone Nano Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
New Design Square Shape Octagon Blue Synthetic Spinel

New Design Square Shape Octagon Blue Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Beautiful Rectangle Shape Octagon Blue Synthetic Spinel Gem

Beautiful Rectangle Shape Octagon Blue Synthetic Spinel Gem

US$0.05-2.00
50 Pieces(MOQ)
Best Quality Oval Shape 108# Aquamarine Synthetic Spinel

Best Quality Oval Shape 108# Aquamarine Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Round Blue Loose Gemstone Spinel Synthetic Spinel

Round Blue Loose Gemstone Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
New Fashion Trillian Cut Triangle Shape Synthetic Spinel

New Fashion Trillian Cut Triangle Shape Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Bright Blue Color Oval Shape Synthetic Spinel

Bright Blue Color Oval Shape Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
119# Blue Color Synthetic Sapphire Spinel Stone for Jewelry

119# Blue Color Synthetic Sapphire Spinel Stone for Jewelry

US$0.05-2.00
50 Pieces(MOQ)
109# Blue Color Synthetic Spinel Raw Material Rough

109# Blue Color Synthetic Spinel Raw Material Rough

US$100.00
1 KG(MOQ)
Beautiful Dark Blue Spinel Pear Synthetic Sapphire for Jewelry

Beautiful Dark Blue Spinel Pear Synthetic Sapphire for Jewelry

US$0.05-2.00
50 Pieces(MOQ)
Marquise Shape Green Loose Gemstone Nano Spinel Synthetic Spinel

Marquise Shape Green Loose Gemstone Nano Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
High Quality Oval Synthetic Diamond Loose Gemstone Spinel

High Quality Oval Synthetic Diamond Loose Gemstone Spinel

US$0.05-2.00
50 Pieces(MOQ)
Brilliant Heart Green Loose Gemstone Nano Spinel Synthetic Spinel

Brilliant Heart Green Loose Gemstone Nano Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Low Price Square Green Loose Gemstone Nano Spinel Synthetic Spinel

Low Price Square Green Loose Gemstone Nano Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Synthetic Spinel Raw Material

Synthetic Spinel Raw Material

US$100.00
1 KG(MOQ)
113#Synthetic Spinel Raw Material

113#Synthetic Spinel Raw Material

US$100.00
1 KG(MOQ)
Round Green Loose Gemstone Nano Spinel Synthetic Spinel

Round Green Loose Gemstone Nano Spinel Synthetic Spinel

US$0.05-2.00
50 Pieces(MOQ)
Rectangle Octagon Cushion 114# Spinel

Rectangle Octagon Cushion 114# Spinel

US$0.05-2.00
50 Pieces(MOQ)
Rectangle Green Loose Gemstone Spinel Nano

Rectangle Green Loose Gemstone Spinel Nano

US$0.05-2.00
50 Pieces(MOQ)
Shine Mauquise Shape 113# Spinel Synthetic Spinel

Shine Mauquise Shape 113# Spinel Synthetic Spinel

US$0.10-2.00
50 Pieces(MOQ)
New Cutting Oval Shape 113# Spinel

New Cutting Oval Shape 113# Spinel

US$0.05-2.00
50 Pieces(MOQ)
New Product Square Shape Checker Cut 113# Spinel

New Product Square Shape Checker Cut 113# Spinel

US$0.05-2.00
50 Pieces(MOQ)
Fishion Stone Oval Shape 108# Spinel

Fishion Stone Oval Shape 108# Spinel

US$0.05-2.00
50 Pieces(MOQ)
New Octagon Shape Fancy Cut 113# Spinel

New Octagon Shape Fancy Cut 113# Spinel

US$0.05-2.00
50 Pieces(MOQ)
New Cutting Square Bottom Checker Cut Spinel

New Cutting Square Bottom Checker Cut Spinel

US$0.05-2.00
50 Pieces(MOQ)
Hot Sale Square Shape Blltiant Cut Spinel

Hot Sale Square Shape Blltiant Cut Spinel

US$0.05-2.00
50 Pieces(MOQ)
Beautiful Heart Shape Cabochon Cut 113# Spinel

Beautiful Heart Shape Cabochon Cut 113# Spinel

US$0.15
50 Pieces(MOQ)
1.5mm Small Size Round Shape 113# Spinel

1.5mm Small Size Round Shape 113# Spinel

US$0.05-2.00
50 Pieces(MOQ)
High Quality Marquise Shape 113# Spinel for Jewelry

High Quality Marquise Shape 113# Spinel for Jewelry

US$0.10-2.00
50 Pieces(MOQ)
Low Price Natrual Spinel

Low Price Natrual Spinel

US$0.018
50 Pieces(MOQ)
Yiyuande (Tianjin)Refractory Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Spinel Good Quality Sintered Spinel Refractory

Spinel Good Quality Sintered Spinel Refractory

US$650.00-1,100.00
25 Tons(MOQ)
Spinel Good Quality Magnesium Aluminum Spinel

Spinel Good Quality Magnesium Aluminum Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Different Chemical Index Sintered Spinel

Different Chemical Index Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Good Quality Fused Spinel Spinel Refractory

Good Quality Fused Spinel Spinel Refractory

US$650.00-1,100.00
25 Tons(MOQ)
High Quality of Spinel/Fused Spinel/Magnesium Aluminum Spinel 325mesh

High Quality of Spinel/Fused Spinel/Magnesium Aluminum Spinel 325mesh

US$800.00-950.00
20 Tons(MOQ)
Good Hot Strength Fused Spinel/Sintered Spinel for Refracory Material

Good Hot Strength Fused Spinel/Sintered Spinel for Refracory Material

US$650.00-1,100.00
25 Tons(MOQ)
Good Hot Strength of Spinel/Magnesium Aluminum Spinel/Fused Spinel

Good Hot Strength of Spinel/Magnesium Aluminum Spinel/Fused Spinel

US$700.00-850.00
20 Tons(MOQ)
Market Price Spinel

Market Price Spinel

US$700.00-850.00
20 Tons(MOQ)
Professional Quality and Market Price Sintered Spinel Spinel78

Professional Quality and Market Price Sintered Spinel Spinel78

US$700.00-850.00
20 Tons(MOQ)
Fused Spinel Sintered Spinel Spinel

Fused Spinel Sintered Spinel Spinel

US$700.00-850.00
20 Tons(MOQ)
Top Grade of Sintered Spinel Spinel Magnesium Aluminum Spinel

Top Grade of Sintered Spinel Spinel Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Magnesium Aluminum Spinel Spinel

Magnesium Aluminum Spinel Spinel

US$700.00-850.00
20 Tons(MOQ)
Top-Quality High Melting Point Sintered Spinel 3-6mm

Top-Quality High Melting Point Sintered Spinel 3-6mm

US$1,000.00-1,200.00
25 Tons(MOQ)
High Purity Spinel Sintered Spinel

High Purity Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Market Price High Quality of Spinel/Magnesium Aluminum Spinel

Market Price High Quality of Spinel/Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Sintered Spinel Magnesium Aluminum Spinel 76-78

Sintered Spinel Magnesium Aluminum Spinel 76-78

US$700.00-850.00
20 Tons(MOQ)
Good Quality Fused Spinel Sintered Spinel

Good Quality Fused Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Perfect Quality and Market Price Sintered Spinel 78

Perfect Quality and Market Price Sintered Spinel 78

US$700.00-850.00
20 Tons(MOQ)
Top Manufacturer Supply Refractory Grade Fused Spinel Sintered Spinel

Top Manufacturer Supply Refractory Grade Fused Spinel Sintered Spinel

US$700.00-850.00
20 Tons(MOQ)
Market Price Lowerfe2o3 Refractory Sintered Spinel

Market Price Lowerfe2o3 Refractory Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Market Price Good Quality Sintered Spinel

Market Price Good Quality Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Sintered Spinel Magnesium Aluminum Spinel Al 78

Sintered Spinel Magnesium Aluminum Spinel Al 78

US$650.00-1,100.00
25 Tons(MOQ)
Market Price Refractory Sintered Spinel

Market Price Refractory Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Magnesium Aluminum Spinel Fused Spinel Spinel

Magnesium Aluminum Spinel Fused Spinel Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Different Grain Size Fused Spinel Sintered Spinel

Different Grain Size Fused Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
78% 0-1mm Jiang Su of Fused Spinel/Spinel/Magnesium Aluminum Spinel

78% 0-1mm Jiang Su of Fused Spinel/Spinel/Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Market Price Good Quality High Purity Spinel

Market Price Good Quality High Purity Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Thermal Shock Resistance Sintered Spinel Fused Spinel Refractory

Thermal Shock Resistance Sintered Spinel Fused Spinel Refractory

US$700.00-850.00
20 Tons(MOQ)
Good Quality Sintered Spinel

Good Quality Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
High Purity Good Quality Market Price Sintered Spinel Fused Spinel

High Purity Good Quality Market Price Sintered Spinel Fused Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Refractory Magnesium Aluminum Spinel 78%

Refractory Magnesium Aluminum Spinel 78%

US$700.00-850.00
20 Tons(MOQ)
Large Crystals of Fused Spinel/Fused Magnesium Aluminum Spinel/Spinel 0-1mm

Large Crystals of Fused Spinel/Fused Magnesium Aluminum Spinel/Spinel 0-1mm

US$700.00-850.00
20 Tons(MOQ)
Good Quality High Purity Spinel

Good Quality High Purity Spinel

US$650.00-1,100.00
25 Tons(MOQ)
High Grade Refractory Magnesium Aluminum Spinel

High Grade Refractory Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Best Quality of Sintered Spinel Magnesium Aluminum Spinel

Best Quality of Sintered Spinel Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Magnesium Aluminum Spinel Fused Spinel Sintered Spinel

Magnesium Aluminum Spinel Fused Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
0-0.5mm Reliable Quality of Sintered Spinel

0-0.5mm Reliable Quality of Sintered Spinel

US$1,000.00-1,200.00
25 Tons(MOQ)
Sintered Spinel Refractory MGO 22 24%

Sintered Spinel Refractory MGO 22 24%

US$650.00-1,100.00
25 Tons(MOQ)
Different Grain Size Sintered Spinel

Different Grain Size Sintered Spinel

US$700.00-850.00
20 Tons(MOQ)
Exhibits Excellent Corrosion Resistance Magnesium Aluminum Spinel Sintered Spinel

Exhibits Excellent Corrosion Resistance Magnesium Aluminum Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Refractory Sintered Spinel Al2O3 78 MGO23 24

Refractory Sintered Spinel Al2O3 78 MGO23 24

US$650.00-1,100.00
25 Tons(MOQ)
Exhibits Excellent Refractory Magnesium Aluminum Spinel

Exhibits Excellent Refractory Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Top Manufacturer Supply Refractory Grade Refractory Magnesium Aluminum Spinel Market Price Spinel

Top Manufacturer Supply Refractory Grade Refractory Magnesium Aluminum Spinel Market Price Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Cost Saving Magnesia Hercynite Spinel for Cement Rotary Kiln Sintered Spinel

Cost Saving Magnesia Hercynite Spinel for Cement Rotary Kiln Sintered Spinel

US$700.00-850.00
20 Tons(MOQ)
Sintered Spinel Magnesium Aluminum Spinel Aluminum 78 Yyd Keep Improving in Service and Quality

Sintered Spinel Magnesium Aluminum Spinel Aluminum 78 Yyd Keep Improving in Service and Quality

US$700.00-850.00
20 Tons(MOQ)
Refractory Spinel Sintered Spinel

Refractory Spinel Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)
High Purity Magnesium Aluminum Spinel Refractory

High Purity Magnesium Aluminum Spinel Refractory

US$650.00-1,100.00
25 Tons(MOQ)
Good Quality High Purity for Industry Kiln Spinel

Good Quality High Purity for Industry Kiln Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Magnesium Aluminum Spinel Sintered Spinel Lower Sio2

Magnesium Aluminum Spinel Sintered Spinel Lower Sio2

US$650.00-1,100.00
25 Tons(MOQ)
High Purity Magnesium Aluminum Spinel Market Price Spinel

High Purity Magnesium Aluminum Spinel Market Price Spinel

US$650.00-1,100.00
25 Tons(MOQ)
Thermal Shock Resistance of Fused Magnesium Aluminum Spinel 200mesh

Thermal Shock Resistance of Fused Magnesium Aluminum Spinel 200mesh

US$700.00-850.00
20 Tons(MOQ)
Thermal Shock Resistance of Fused Spinel Magnesium Aluminum Spinel

Thermal Shock Resistance of Fused Spinel Magnesium Aluminum Spinel

US$700.00-850.00
20 Tons(MOQ)
Magnesium Aluminum Spinel Market Price Sintered Spinel

Magnesium Aluminum Spinel Market Price Sintered Spinel

US$650.00-1,100.00
25 Tons(MOQ)

Sourcing guidance for Synthetic Spinel

What are the key technical specifications to consider when sourcing synthetic spinel?

When purchasing synthetic spinel, buyers must focus on optical clarity, color consistency, and hardness. Ensure the product has a Mohs hardness of 8, making it suitable for high-wear jewelry. For industrial applications, verify the refractive index (typically 1.718) and ensure the material is free of bubbles, cracks, or inclusions that could compromise structural integrity.

How can I verify the manufacturing method and its impact on quality?

Most commercial synthetic spinel is produced via the Verneuil (flame fusion) method or the Czochralski (pulled) method. The Verneuil method is cost-effective for standard jewelry, while the Czochralski method offers superior crystal perfection for optical windows or high-end watch crystals. Always request a material safety data sheet (MSDS) and a technical data sheet (TDS) to confirm the chemical composition (MgAl2O4).

What compliance standards are necessary for international trade of synthetic gemstones?

Suppliers should provide ISO 9001 certification to ensure consistent manufacturing processes. For jewelry-grade spinel, compliance with REACH and RoHS is essential to ensure the stones are free from harmful heavy metals like lead or cadmium. If the product is intended for the US market, ensure it meets FTC guidelines regarding the disclosure of synthetic origins.

How do I evaluate the color quality and cutting precision for bulk orders?

Request a master sample set to define acceptable color ranges, as 'cobalt blue' or 'ruby red' can vary between batches. For cutting, specify machine-cut (MC) for high precision and symmetry, which is vital for automated jewelry setting. Ensure the girdle thickness and pavilion depth are uniform to prevent breakage during the mounting process.

Cross-Border Procurement Risks and Strategies for Synthetic Spinel

How can I mitigate the risk of receiving low-quality or mislabeled materials?

Utilize third-party inspection services such as SGS or Intertek to conduct pre-shipment inspections. Specifically, request a Gemological Laboratory Report for a random sample from the bulk lot to confirm the material is indeed synthetic spinel and not glass or cubic zirconia. Always conduct transactions through secure payment channels that offer escrow-like protection.

What are the best practices for negotiating pricing and MOQs with Chinese suppliers?

On platforms like Made-in-China.com, look for 'Audited Suppliers' to ensure factory legitimacy. Negotiate based on volume-tiered pricing; typically, orders exceeding 5,000 carats can yield a 15-25% discount. For new designs, request a low MOQ for the first trial order to test the supplier's cutting accuracy before committing to large-scale production.

What shipping and packaging precautions should be taken for fragile gemstones?

Ensure the supplier uses vacuum-sealed plastic bags or stone papers to prevent friction scratches during transit. For high-value synthetic rough, shock-absorbent foam packaging is mandatory. Specify Air Freight (DHL/FedEx/UPS) for smaller, high-value shipments to minimize handling time and use CIF (Cost, Insurance, and Freight) terms to ensure the cargo is insured against loss or damage.

How do international trade policies affect the import of synthetic minerals?

Check the HS Code (typically 7104.91 for synthetic precious stones) against your country's tariff schedule. Be aware of Anti-Dumping Duties that may apply to specific synthetic materials. Ensure all commercial invoices clearly state the goods are 'Laboratory-Grown' or 'Synthetic' to avoid customs delays or fines related to the misdeclaration of natural gemstones.

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