Black tourmaline in albite matrix with hyalite and minor fluorite Sandstone so it easily ends up

so it easily ends up with 'you are what you eat' discoloration

Approx weight: 67g

Locale: Madagascar

It has bold fireworks

UV reactivity Many pseudo-stromatolites from Morocco have faint to moderate white fluorescence and light yellow-green phosphorescence under 365 nm UV light

Black tourmaline in albite matrix with hyalite and minor fluorite Sandstone so it easily ends upLocale: Erongo Mountain, Namibia Approx dimensions: 5 x 3. 25 x 3" Approx weight: 603g This is a great "hodgepodge" specimen, featuring a large cluster of botryoidal hyalite on a Dalmatian spotty matrix of white albite, black tourmaline, and smoky quartz. The crystals of black tourmaline, known as schorl, are well formed and many have the 'Mercedes' termination characteristic of the Erongo region. A few small cubic fluorite crystals also spot the