Jensan Scientifics LLC Komatiite Barberton Greenstone Belt [58023] The Barberton Greenstone Belt in South Africa is well-known for its abundance of komatiite, a rare u MSRP: Was: Now: $220.00 Add to Cart
Jensan Scientifics LLC Middle Marker Chert Oldest Sedimentary Rock Lg The Middle Marker horizon is the sedimentary unit belonging to the base of the Hooggenoeg Formation, MSRP: Was: Now: $695.00 Add to Cart
Jensan Scientifics LLC Trinitite Green Atomic Glass [12899] 2.15 grams This is an excellent specimen of green trinitite. Trinitite, also known as Trinity or Alamogordo Gla MSRP: Was: Now: $220.00 Add to Cart
Jensan Scientifics LLC Geyserite El Tatio Atacama Chile XRF Included [11024] Geyserite is a grayish or white opaline siliceous deposit formed around natural hot springs and geys MSRP: Was: Now: $145.00 Out of stock
Jensan Scientifics LLC Manganese Nodule Large [86079] 86.76 grams This is an exceptional, large manganese nodule from the Clarion-Clipperton Fracture Zone, Pacific Oc MSRP: Was: Now: $365.00 Out of stock
Jensan Scientifics LLC Rheniite Mineral Rare Rhenium Element [10288] New! Rheniite is an exceedingly rare mineral, as there are only two known valid mineral species containin MSRP: Was: Now: $265.00 Out of stock
Jensan Scientifics LLC The Periodic Table of the Elements for Science Geeks - Poster This colorful "The Periodic Table of the Elements for Science Geeks" poster was created for the scie MSRP: Was: Now: $65.00 Add to Cart
Jensan Scientifics LLC Thortveitite Rare Scandium Mineral [20817] Thortveitite - rare scandium mineral Location: Iveland, Norway Size: 3.7mm L X 1.3mm W X 2mm D. Size MSRP: Was: Now: $95.00 Add to Cart
Jensan Scientifics LLC Whitlockite Tip Top Mine Custer South Dakota Whitlockite, a fascinating mineral, has an intriguing history and unique features. Here is the st MSRP: Was: Now: $130.00 Add to Cart
Jensan Scientifics LLC Jack Hills Zircon Rock [12386] 138 grams Large Zircons: Time Capsules of Earth’s History The zircons discovered in the Jack Hills region of A MSRP: Was: Now: $595.00 Add to Cart
Jensan Scientifics LLC Sassolite xls Boric Acid Springs [Italy] Sassolite is a borate mineral. It was named after Sasso Pisano, Italy, where it was first found. The MSRP: Was: Now: $95.00 Add to Cart
Jensan Scientifics LLC Spessartine Crystals Antarctica [1341] Who would have thought spessartine crystals woult be found in Antarctica? This specimen from Otratna MSRP: Was: Now: $165.00 Add to Cart