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★★★★★
4.7/5 7100+ Happy Customers

Mineral Crystal Mug with Insulating Walls and Microwave Safe, 350-450ml

Regular price $249.95 Sale price$74.95 Save 70%
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NOTICE: This product is one of our bestsellers and is already sold out in our physical store. If the “ADD TO CART” button still works, it means the product is still in stock online in limited quantities.
BLACK FRIDAY SALE
UP TO 70% OFF + FREE MYSTERY GIFT 🎁
00DAYS
:
00HRS
:
00MIN
:
00SEC
+ EXTRA BUNDLE DISCOUNT
Mix & match any items
−10%BUY 2
−15%BUY 3
−20%BUY 4+
✓ Discount applied automatically at checkout

Enjoy Hot Drinks Longer with This Mineral Crystal Mug

You pour fresh coffee and it goes cold before you finish the first few sips. You are reheating the same mug three times every morning and wasting time at the microwave. This mug keeps your coffee or tea hot longer during breakfast work calls or relaxing evenings at home.

This crystal mug holds your drink in a thick mineral wall that slows heat loss. The natural crystal structure traps warmth inside and keeps cold drinks chilled for extended periods. Each mug measures around 11.5 centimeters tall and 9 centimeters wide holding between 350 and 450 milliliters of liquid.

Each mug shows a different mineral pattern since every piece forms from natural crystal. The structure mimics formations found in stones like amethyst and obsidian. It weighs between 600 and 1100 grams and sits stable on desks or tables without tipping over easily.

The crystal surface cleans in the dishwasher without damage and heats safely in the microwave when you need to warm something up. The thick walls resist chips and cracks during normal handling. The wide opening makes pouring and stirring simple without spilling.

  • NATURAL MINERAL STRUCTURE Each mug displays unique crystal formations resembling amethyst or obsidian creating distinct visual patterns every time you pick it up.

  • THICK INSULATING WALLS The crystal construction slows temperature change keeping hot beverages warm and cold drinks chilled throughout your morning or afternoon routine.

  • DISHWASHER SAFE CLEANING Place the mug in your dishwasher for easy cleanup without worrying about surface damage or losing the crystal appearance over time.

  • MICROWAVE READY HEATING Reheat drinks directly in the microwave when needed without transferring liquid to another container saving you extra steps and dishes.

  • STABLE WEIGHTED BASE Weighing between 600 and 1100 grams the mug stays grounded on surfaces reducing accidental spills during busy mornings or work sessions.

  • GENEROUS DRINK CAPACITY Holds 350 to 450 milliliters giving you enough space for large servings of coffee tea or iced beverages without constant refills.

  • WIDE OPENING ACCESS The 9 centimeter opening allows easy pouring stirring and cleaning reaching every corner without struggling with narrow spaces or tight angles.

MINERAL CRYSTAL MUG SPECS

  • Material - Mineral Crystal

  • Height - 4.5in

  • Width - 3.5in

  • Capacity - 350-450 ml

  • Weight - 600-1100 g

  • Care - Dishwasher and Microwave Safe

PACKAGE INCLUDES

  • 1 x Mineral Crystal Mug

30-Day Money-Back Guarantee

We love our products and are confident that you will too! That’s why we offer a 30-day money-back guarantee. If the product doesn’t meet your expectations, simply return it for a full refund.

Customer Reviews

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4.70 out of 5
Based on 7187 reviews
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Tyler Jackson Verified

Didn't have to follow up

Got the confirmation right away, then another email when it shipped. Tracking worked and the package arrived when they said it would. Pretty straightforward
★ ★ ★ ★ ★
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Steven Sanders Verified

Just as described

Nothing missing and no surprises when I opened the box. What arrived matched what I'd seen on the website
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Amber Peterson Verified

Better price than other places

Shopped around a little before ordering and this was quite a bit cheaper. Delivery went as expected too, so I'm happy with it.
★ ★ ★ ★ ★
A ✓
Allison Garcia Verified

Actually answered my question

I emailed before ordering because I couldn't figure out which option I needed. Got a real explanation of the differences, not just a link to the page I'd already read. Sounds like a small thing, but it helped me decide. Ordered that evening and I'm happy with what showed up.
★ ★ ★ ★ ★
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Jeffrey Cooper Verified

Good experience again

My first order was just something small a few months ago. That went well, so I checked here when I needed something else. A completely different kind of purchase this time, but ordering was just as easy. Saved me another evening of shopping around!
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Jacob Brooks Verified

Here in two days!

Ordered Sunday evening and it was here Tuesday morning. Wasn't expecting that, especially after ordering over the weekend
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Stephanie Rogers Verified

really happy

Everything arrived, all good 😊
★ ★ ★ ★ ★
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Courtney Gray Verified

Picked the wrong option

Totally my mistake, I chose the wrong option and didn't notice until I got the confirmation. Sent an email and they were able to change it before it shipped. Glad I didn't have to deal with sending it back afterward!
★ ★ ★ ★ ★
A ✓
Adam Campbell Verified

Good value

Bought it on sale. Happy with what I paid and it's what I was looking for, so that works for me.
★ ★ ★ ★ ★
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Jessica Wilson Verified

Wasn't sure at first

Hadn't heard of Embermont before and wasn't sure about ordering from somewhere new. Just bought one thing to start. It took a little while to ship, but they kept me updated and everything arrived as described. Happy with the purchase and I'd feel comfortable ordering again.
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Melissa Hall Verified

Helpful when there was a problem

There was a mix-up with my order, so I reached out. Sent a photo and they explained what would happen next. Didn't have to tell the same story to a bunch of different people, which I appreciated. All taken care of now
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Mark Kelly Verified

Easy enough

Ordered on my phone during my lunch break. Checkout was easy and the confirmation had everything I needed.
★ ★ ★ ★ ★
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Megan Long Verified

Found it online instead

They didn't have the one I wanted when I stopped by the store, but suggested checking online. Was able to order it on the website later that day. Would've preferred to take it home right then, but this worked out fine.
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Kristen Edwards Verified

Back for another order

Second order now, both went just fine 👍
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A ✓
Anthony Richardson Verified

Packed well

One corner of the box was dented, but everything inside was well protected. Nothing damaged.
★ ★ ★ ★ ★
A ✓
Andrew Lewis Verified

Nice find

Just what I needed, good price too
★ ★ ★ ★ ★
B ✓
Brittany Morgan Verified

Return was straightforward

The order arrived fine, but I decided not to keep it. Emailed about a return and got clear instructions. I was mostly worried about having to follow up on the refund, but got a confirmation once the return was processed and the money came back afterward. Didn't have to chase it down.
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Brandon Martin Verified

Worth checking the sale

Got what I wanted and spent less than I'd planned. I'll take that!
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K ✓
Kimberly Harris Verified

They checked instead of guessing

Had a question about a detail in the description. The person replying actually checked on it instead of guessing. Took another email to get the answer, but at least it was clear.
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Ryan Jenkins Verified

No complaints

Exactly what I ordered. All good
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Erin Robinson Verified

Exchange taken care of

Needed to exchange my order for a different option and figured it would be a hassle. It didn't happen overnight, but the team explained what to do and kept me updated. The replacement is here now and it's the right one this time. Thanks for helping me sort it out.
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Hannah Griffin Verified

Thanks, Michael!

Michael, the owner, was patient with all my questions when I stopped by the store. I hadn't quite decided what I wanted and didn't feel pushed to buy anything. Went home, thought it over and ordered online later.
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Patrick Carter Verified

Earlier than expected

Thought this would arrive toward the end of the week, so it was a nice surprise when it showed up early. I was even home to bring the package inside!
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S ✓
Scott Mitchell Verified

Worked out well

Fair price, arrived on time. Happy customer
★ ★ ★ ★ ★
T ✓
Thomas Ward Verified

Helpful even after the purchase

Had a question after my order arrived and wasn't sure how much help I'd get once the sale was done. They got back to me with a clear answer and that took care of it. Happy with the purchase, but the help afterward stood out.
Mineral Crystal Mug with Insulating Walls and Microwave Safe, 350-450ml
Mineral Crystal Mug with Insulating Walls and Microwave Safe, 350-450ml
$249.95 $74.95
Crystal Agate Coffee Mug 350ml – Mineral Style Insulated Cup Microwave Safe