Yooperlite

Size: 7x7 cms

Weight: 245 grams

Location: Upper Peninsula

Product Description:

A unique mineral specimen featuring yooperlite, a syenite rock containing fluorescent sodalite, showcasing a distinctive glow under ultraviolet (UV) light.

Geological Information:

- Location: Upper Peninsula, Michigan, USA
- Type: Yooperlite (Syenite rock with fluorescent Sodalite, Na₈Al₆Si₆O₂₄Cl₂)
- Formation: Magmatic intrusion in Proterozoic rocks, specifically in the Midcontinent Rift System
- Color: Gray to beige (daylight), fluorescent orange-red (under UV light)
- Hardness: 5.5-6 (sodalite) and 6-7 (syenite) on the Mohs scale
- Crystal System: Cubic (sodalite) and variable (syenite)
- Formation Process: Magmatic crystallization and subsequent alteration resulted in the formation of yooperlite.
- Age: Proterozoic Era, approximately 1.1 billion years old
- Occurrence: Found in limited quantities, primarily in the Upper Peninsula of Michigan, particularly along the shores of Lake Superior.

This detailed description highlights the natural beauty, unique features, and geological significance of Yooperlite from the Upper Peninsula, showcasing its rarity and mineralogical importance.