Bulk Rock Tumbling Rough - Hematite 533 9nm Peak Transmission >90% >90%

9nm Peak Transmission >90% >90% >90% Blocking ≥OD5 @ 300-1000nm ≥OD5 @ 300-1000nm ≥OD5 @ 300-1000nm Filter Thickness 2mm+/-0

75") Optical Tube Weight: 19 lbs (8

developed in collaboration with Simulation Curriculum offers an intuitive planetarium interface that simplifies navigation through the night sky

When you are using a zenith mirror

3 Minimum Magnification 21 Maximum Magnification 29

Bulk Rock Tumbling Rough - Hematite 533 9nm Peak Transmission >90% >90%Hematite Rough in Bulk from Brazil! Hematite rough specimens are nature's embodiment of strength and elegance, boasting a rugged allure and a timeless beauty. These specimens, forged deep within the Earth's mantle, emerge as raw, uncut treasures, showcasing the raw power and resilience of this iron oxide mineral. At first glance, hematite rough specimens command attention with their striking metallic luster, resembling polished silver or steel. Their