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mineralmatrix

mineralmatrix

66K items sold
4.9K followers
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About us

After I got my PhD in crystal physics in 1992, crystals have been a part of my career and life. Crystals are very useful in industry, but now we are exploring another aspect of crystals: their beauty and singularity. Thank you for your support and patronage as we continue to appreciate the natural allure of crystals.
Location: United StatesMember since: Mar 30, 2005Seller: mineralmatrix

Feedback ratings

Last 12 months

Positive361- positive feedback in last 12 months
Neutral3- neutral feedback in last 12 months
Negative0- negative feedback in last 12 months

Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
5.0

Seller feedback (33,147)

  • r***i (275)- Feedback left by buyer.
    Past month
    Verified purchase
    As pictured, as advertised. Package arrived safely, but specimens weren't bagged or labeled, just bubble-wrapped in a box full of packing peanuts - what a mess to unpack but in the end everything was intact. Overall the purchase is satisfactory.
  • d***0 (1637)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Truly a remarkable seller! My order arrived in perfect condition, and it’s even more beautiful than I expected. What sets this company apart is the customer service, which is beyond words – always kind, responsive, and so professional. The packaging was outstanding, absolutely secure and careful. It’s rare to find such dedication and integrity. Highly recommend to everyone!
  • h***i (1409)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Amazing seller, Stellar communication. Highly recommend this seller to ALL buyers! Total 5 ***** ROCKSTAR LEGIT STELLAR SELLER!!!!! EXCELLENT COMMUNICATION. EXCELLENT PACKAGING! I can't say enough great things about this seller! Packaging was so pristine and detailed. I wish I could give more than 5 STARS! | HIGHLY RECOMMEND this seller to ALL BUYERS! Excellent in every possible way!
  • 3***u (60)- Feedback left by buyer.
    Past month
    Verified purchase
    I’ve wanted a malachite slice like this for ages and it’s a beautiful specimen. Packaging was very secure and shipping was pretty quick. Great communication from the seller too.
  • a***l (30)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Beautiful piece as described, well packaged, arrived quickly.
  • r***r (3218)- Feedback left by buyer.
    Past year
    Verified purchase
    Fast, easy & pleasant transaction, Excellent merchandise! Nice specimen-precisely as described! Very well packaged! Highly recommended seller! A++++
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About us

Use this space to tell other eBay members about yourself and what you’re passionate about. Give people more reasons to follow you!318/1000