Calcite crystals atop deep blue Fluorite!
Gorgeous specimen featuring golden Calcite crystals clustered atop deep blue Fluorite! This is a stunner, with vivid b…
Gorgeous specimen featuring golden Calcite crystals clustered atop deep blue Fluorite! This is a stunner, with vivid b…
Active and passive continental margins are the transition zones between the oceanic and continental crust ( where continents…
The Sword in the Stone (Tourmaline in Morganite) is a unique and rare specimen of morganite, a pink variety of beryl. It i…
Bastnäsit (Bastnaesite), Kristalle bis 1.8 cm Mulla Ghora Zagi Mtn, Khyber Agence, Pakistan W. Sorensen collection P…
Fluorapatite / Quartz with Pyrite Fluorapatite Formula: Ca5(PO4)3F System: Hexagonal Colour: Colorles to white when ...…
Perfect Fluorite Crystal on Quartz Matrix. Photos Copyright: Jeffrey A. Scovil This Fluorite on Quartz specimen is…
Amethyst–Smoky Quartz Scepter Crystal with Sharp Terminations and Color Zoning Little Gem Mine, Boulder Batholith, Jefferson…
Gerat, lustrous and well formed green demantoide on matrix. Top luster and color! From: Belqeys Mountain, Takab, Ira…