Scapolite Crystal - Yates Mine, Québec, Canada

Contributed by: Chris Clemens
minID: KJV-8XD
Date: Apr 27th, 2026
Locality: Yates Mine, Otter Lake, Pontiac RCM, Outaouais, Québec, Canada (See on Mindat)
Size: 30 x 24 x 36 mm
Weight: 30 g

Description:
This is a particularly well-formed, terminated, single, crystal of fluorescent scapolite from the Yates Mine, Otter Lake, Québec, Canada. This large, blocky crystal fluoresces moderate red under shortwave UV, and shows a blue white response under both midwave and longwave UV.

Originally posted by Chris Clemens on Nature's Rainbows in 2017.

Fluorescence under shortwave UV light.

Fluorescence under midwave UV light.

Fluorescence under longwave UV light.

Normal light.

Summary of luminescence responses:

Scapolite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red
• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue
• Fluorescence under Longwave (365nm LED) UV light: Blue