Are these cz "kiln ready", can they be used in PMC (precious metal clay) jewelry?

Yes they cane be used in PMC. I have used them and they fired best at about 1550 for about an hour. However remember that the emerald green and blues turn color when fired at that temperature.

Can these be fired in silver clay with a torch?

I have no idea, but it's a very interesting question. It looks like the white tolerate much higher temps than the colored cz. Any idea what temp you need to successfully fire the pmc? I would love to hear if you have success with it.

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JIANGYUANGEMS 12pcs Birthday Stone 1pcs Per Color Round Loose Cubic Zirconia Stones Synthetic Ruby Synthetic Spinel

Product ID: 66554047

💎12 vibrant synthetic stones

📏Precise 4mm round brilliant cut

🔴Includes synthetic ruby & spinel

€ 31.80

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💫 Sparkle smarter, craft bolder — own the gem game!

PERFECT 4 MM SIZE - Compact yet eye-catching 4mm diameter stones, ideal for versatile jewelry crafting and DIY projects.
BRILLIANT ROUND CUT - Expertly faceted round brilliant cut ensures maximum sparkle and light reflection for standout pieces.
VIBRANT 12 COLOR MIX - A curated palette of 12 dazzling hues, one stone per color to elevate your jewelry game.
DIY JEWELRY ESSENTIAL - Perfect for earrings, rings, bracelets, necklaces, and more — unleash your creativity and join the trendsetters.
PREMIUM SYNTHETIC GEMS - Includes high-quality synthetic ruby and spinel for that luxe, rare gem sparkle without the price tag.

JIANGYUANGEMS offers a premium set of 12 synthetic loose stones, including cubic zirconia, synthetic ruby, and spinel, each precisely cut to 4mm round brilliant shapes. Designed for jewelry makers and DIY enthusiasts, this vibrant multi-color collection delivers exceptional sparkle and versatility, perfect for creating standout accessories that keep you ahead in style.

Specifications

ASIN	B07CTBPWDB
Best Sellers Rank	#578,178 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #83 in Loose Gemstones
Brand Name	JIANGYUANGEMS
Clasp Type	Round clasp
Customer Reviews	4.6 out of 5 stars 195 Reviews
Gem Type	cubic zirconia ruby s[inel
Gem type	Cubic zirconia ruby s[inel
Item Type Name	Jewelry Making
Item Weight	0.03 kg
Item Width	4 millimeters
Item width	4 millimeters
Manufacturer	JIANGYUANGEMS
Material	Stone
Metal type	No metal type
Pearl Size	4mm
Primary Stone Gem Type	Cubic Zirconia
Stone Color	White
Stone Cut	round brilliant
Stone Treatment Method	Synthetic
Stone color	White
Total Gem Weight	2.4 carats
Total gem weight	2.4 carats
UPC	665268003721
Unit Count	12 Count

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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2 days ago

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€ 31.80

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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