A sample of customer comments. We won't bug you for feedback, but if you feel like commenting, you can use use the email contact link at the top of the home page. We welcome your thoughts.

Wonderful transaction; accurate, fast & secure s/h, generous, friendly seller.    limonite - teaching hand specimen of limonite - hydrated iron oxide

Amazing samples! Amazing seller! - granodiorite - teaching hand specimen

Very nice, just as described, carefully packed, quickly shipped. Awesome! - sand - set of five tubes of olivine sand

What a wonderful company! I REALLY appreciate the descriptions on each rock! serpentine - teaching hand/display specimen

Clearly diorite, good teaching sample - quartz diorite - teaching hand specimen

Arrived promptly, well packed, and as described, thanks phyllite - teaching hand specimen of a silvery gray green Paleozoic phyllite

Beatifully packaged ochre, excellent A+++ seller red ochre - set of 5 tubes

Seller gave extra attention to make sure the specimen met my needs asphalt - light hand specimen of natural asphalt

Excellent teaching specimen, shipped promptly and securely clay - teaching hand specimen of calcium montmorillonite clay

Really fast shipping, thank you for refunding shipping diff. Beautiful specimen! - halite - hand/display specimen of halite with a natural pink bacterial pigment

Great communication. Very satisfied and will do business with again  - sand - single tubes of various sands selected by the buyer

Speedy! Great seller - sandstone - Navajo sandstone teaching student specimens

Very helpful and knowledgeable; specimens were large; A++!! - pumice - teaching student specimens of typical white pumice