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National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
Transform your raw stones from rough rocks to dazzling gemstones!
National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate
Item #: 58399516

National Geographic Rock Tumbler Refill Kit with 1 Lb. Rough Agate

Item #: 58399516

XCD 71

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Transform your raw stones from rough rocks to dazzling gemstones!
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What Stands Out

Genuine Rough Agate
This refill kit includes authentic rough agate, ensuring high-quality tumbling results. The natural beauty of agate enhances creativity in crafting unique jewelry pieces.
Complete Tumbling Supplies
The kit comes with essential tumbling grits and jewelry accessories, providing everything needed for a seamless tumbling experience. Users can dive right into their rock tumbling projects without extra purchases.
High-Value Educational Tool
Beyond crafting, this kit serves as an excellent educational resource for teaching geology and mineralogy. It's perfect for family activities, fostering engagement with nature and earth sciences.

Product Details

Shop for National Geographic Rock Tumbler Refill Kit - 1 lb. of Genuine Rough Agate Rocks. Find Rock Tumbler Supplies, Grit, and Jewelry Accessories for Tumbling. Raw Agate available. Buy Now! Shop at Ubuy Montserrat
Brand NameBlue Marble
Age Range Description8 years and up
Included Components8 types of raw agate (1lb), Courses of polishing grit (4), Jewelry fastenings (4), Full Color Learning Guide
Model Name1 Lb. Agate Rock Tumbler Refill Kit
Art Craft Kit TypeRock Tumbler Kit
UPC816448026935
Global Trade Identification Number00816448026935
Unit Count1 Count
Number of Packs1
Set NameNational Geographic Rock Tumbler Set
ManufacturerJMW Sales, Inc.
Item Type NameRock Tumbler Refill – 1 lb. Mix of Genuine Rocks from Madagascar for Rock Polishers
Model NumberNGAGATEREFILL
Manufacturer Part NumberNGAGATEREFILL
ColorMulticolor
ThemeNature
SeasonsAll Seasons
Product StyleAgate Mix
Subject CharacterGemstones
Item Dimensions3 x 3 x 8 inches (7.6 x 7.6 x 20.3 cm)
Item Weight1.3 pounds (590 grams)
SizeOne Size
Number of Pieces1
Material TypeRough Rocks
Additional FeaturesAgate mix from around the world, four grades of grit, jewelry fastenings, and a learning guide
Scalesmall or compact
BrandBlue Marble
Age Range (Description)8 years and up
Item dimensions L x W x H3 x 3 x 8 inches (7.6 x 7.6 x 20.3 cm)

What's in the box

8 types of raw agate (1lb), Courses of polishing grit (4), Jewelry fastenings (4), Full Color Learning Guide

Who Should Buy?

Suitable For
  • Hobbyist Gemcutters

    Perfect for hobbyists looking to refine their skills in tumbling and jewelry-making with quality agate rocks.

  • Educational Settings

    Great for classrooms and science projects that introduce students to geology and the rock tumbling process.

  • Gift Seekers

    A thoughtful gift for art and craft enthusiasts who enjoy hands-on activities and creating unique jewelry.

Not Suitable For
  • Professional Jewelers

    Not suitable for professionals looking for high-grade materials; quality may not meet advanced expectations.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What types of gemstones are included in the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit?

    Answer: The NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit includes a variety of beautiful gemstones, notably unpolished Amethyst and Quartz. These selections are perfect for beginners and experienced tumblers alike. Amethyst offers stunning violet hues, while Quartz can come in clear, smoky, or rose varieties. Tumbling these stones not only reveals their vibrant colors but also imparts a polished finish, making them ideal for jewelry-making, collection displays, or educational purposes. Whether for a fun hobby or a science project, this kit provides an enjoyable and rewarding experience.
  • Question: How much gemstone material is included in the refill kit?

    Answer: The refill kit contains 1 pound of gemstones, which is an ample quantity for several tumbling batches. This amount enables users to experiment with different tumbling times and techniques to achieve the desired polish. Given that tumbling gemstones is a process that improves with practice, having a sufficient supply means you can refine your skills and enjoy the satisfaction of completing multiple projects. Whether you want to create unique gifts or simply enjoy the art of tumbling, this refill kit offers plenty of opportunities.
  • Question: Can the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit be used with any rock tumbler?

    Answer: Yes, the refill kit is designed to be compatible with most rock tumblers, making it a versatile choice for enthusiasts. Whether you own a compact tabletop model or a larger rotary tumbler, you can seamlessly use this refill kit. The versatility ensures that if you decide to upgrade your tumbling equipment in the future, you can still make use of this kit. It’s a practical option for both new and seasoned users looking to maximize their tumbling experience.
  • Question: How do I use the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit effectively?

    Answer: To use the refill kit effectively, start by cleaning your gemstones and ensuring your tumbler is properly set up. Measure out the stones according to the manufacturer's recommended capacity and add them to the barrel. You’ll also want to incorporate the necessary abrasive grit that is typically sold separately. Follow the tumbling stages as specified—coarse grind, medium grind, and polishing—to achieve the best results. Ensuring patience and allowing sufficient time for each stage will yield beautifully polished stones that can be displayed or crafted.
  • Question: What benefits do tumbling gemstones provide for children or educational projects?

    Answer: Tumbling gemstones present numerous educational benefits for children. It engages them in hands-on science and geology, as they learn about the properties of minerals and the rock cycle. The process requires patience and follow-through, enhancing skills such as focus and attention to detail. Additionally, it fosters creativity when they decide how to use their finished gemstones, whether in jewelry or as decorative pieces. This fun project also encourages exploration of earth science concepts, making it a fantastic addition to school projects or home learning.
  • Question: How long does it take to tumble gemstones using this kit?

    Answer: The tumbling process typically takes about four to six weeks when using the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit. Each stage—from coarse grinding to polishing—requires specific durations, ranging from a few days to several weeks, depending on the stones' hardness and the desired finish. Patience is key, as rushing through the process can lead to subpar results. For families or hobbyists, this timeframe allows for engaging activities during the wait, such as researching the gemstones or planning creative projects with the finished stones.
  • Question: Are the gemstones in this kit suitable for beginners?

    Answer: Absolutely! The gemstones included in the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit, like Amethyst and Quartz, are ideal for beginners. They are not only visually stunning but also relatively easy to polish successfully. The user-friendly nature of the tumbling process and the educational instructions provided make this kit an excellent entry point for new rock tumblers. Beginners will appreciate seeing quick progress, which can spark a lifelong interest in geology and crafting.
  • Question: What should I do if I run out of gemstones?

    Answer: If you run out of gemstones, you can easily purchase additional NATIONAL GEOGRAPHIC Rock Tumbler Refill Kits or other compatible gemstone assortments. It's a great way to continuously feed your creativity and exploration in tumbling. Many enthusiasts enjoy mixing different types of stones for varied projects, so consider trying new combinations. Plus, experimenting with different stones can enhance your skills in understanding how various minerals respond to the tumbling process, ultimately improving your craftsmanship.
  • Question: Where can I buy the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit in Montserrat?

    Answer: You can conveniently purchase the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit from Ubuy in Montserrat. Ubuy is a reliable e-commerce platform that offers a wide selection of products, including educational kits like this one. They cater to hobbyists and science enthusiasts alike, ensuring that you can easily find the items you need to enhance your rock tumbling experience. Visit their website to explore the available options.

Blue Marble Rock Tumblers NGAGATEREFILL Editorial Review

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The NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit is a great addition to the Rock Tumbler. It comes with a good assortment of gemstone varieties and includes 4 grades of grit, jewelry fastenings, and a detailed learning guide. The kit works well with different brands of rock tumblers and is suitable for creating custom jewelry. However, some customers have experienced issues with the polishing process taking longer than expected or not achieving a shine for some rocks.

Customer Reviews & Ratings

293 customers ratings
  • 5 Star
    68%
  • 4 Star
    17%
  • 3 Star
    5%
  • 2 Star
    4%
  • 1 Star
    6%

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Pros

  • Good assortment of gemstone varieties
  • Includes 4 grades of grit
  • Comes with jewelry fastenings
  • Detailed learning guide
  • Works with different brands of rock tumblers

Cons

  • Polishing process may take longer than expected

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