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Coffee mug of a rock specimen, the Trancas geode

4.8 out of 5 stars rating
22579 Total Reviews |
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Style: Combo Mug

Funny, unique, pretty, or personal, it's your choice for the perfect coffee mug. The outside of the mug features a bright white base for your photo, logo, pattern, or saying, while the rim & handle are vividly glazed in rich colour. Match or complement the colour of your existing dinnerware set, or gift your friend a mug in his or her favourite colour.

  • 325 ml or 443 ml
  • Dimensions:
    • 325 ml: 8.1 cm D x 9.7 cm H
    • 443 ml: 8.6 cm D x 11.4 cm H
  • Microwave and dishwasher safe
  • Use caution when removing the mug from the microwave. Use a pot holder or glove as necessary if it is too hot to the touch. Do not microwave an empty mug.
  • Strong, ceramic construction
  • Meets FDA requirements for food and beverage safety
  • Do not overfill and be careful with hot liquids that may scald
  • Keep out of reach of children when filled with hot liquid

About This Design

Coffee mug of a rock specimen, the Trancas geode

Coffee mug of a rock specimen, the Trancas geode

Coffee mug displaying the rock specimen, Trancas geode (a.k.a. Chihuahua geode), from the rock collection of artist J. Mummey. Trancas geodes put on a spectacular show when exposed to short wave UV light. Chraacterised by their dazzling white drusy crystalline centres, these geodes contain a very small amount of uranium that often fluoresces a brilliant bright-green. Prized for their drusy quartz interiors, and their distinctive green fluorescence under short wave UV, they are generally small and are approximately 37 million years old. These were formed as gas cavities in volcanic rock that later filled with silica rich fluids, producing quartz and chalcedony. Start your morning right with one of nature's most beautiful specimens:)
ACreativeMummey
Artwork designed by
Raleigh, NC, United States
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Customer Reviews

4.8 out of 5 stars rating22.6K Total Reviews
19910 total 5-star reviews1899 total 4-star reviews360 total 3-star reviews159 total 2-star reviews251 total 1-star reviews
22,579 Reviews
Reviews for similar products
5 out of 5 stars rating
By K.6 November 2021 • Verified Purchase
Combo Mug, 325 ml
Zazzle Reviewer Program
I loved designing this mug using images stored on Zazzle. Was able to choose the font for the name and uplaod a background for behind the name, and a fabulous image of a black and white horse. It came out beautifully well and I was well pleased.
5 out of 5 stars rating
By Nicky S.30 November 2020 • Verified Purchase
Combo Mug, 325 ml
Zazzle Reviewer Program
An attractive good quality item. The recipient is delighted with it, liked the humorous caption and has put it into use straight away. Very clear design and print with good colour quality.
3 out of 5 stars rating
By Anna K.24 November 2025 • Verified Purchase
Very good quality but photo is much darker than on the preview. The text is not visible very well. Unfortunately much darker than on preview .
Original product

Tags

Mugs
lapidaryuraniumgeodeuv lightultraviolet lightmugcoffee mugrocksrockhoundtrancas
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lapidaryuraniumgeodeuv lightultraviolet lightmugcoffee mugrocksrockhoundtrancas

Other Info

Product ID: 256933079819370746
Created on 29/03/2026, 5:52
Rating: G