Natrolite is a mineral series in the zeolite group; this sample has a very prominent acicular crystal habit. Mineral - Wikipedia, the free encyclopedia
Yellow-honey powellite crystal with colorless needles of scolecite, from Yeola, Nasik, Maharashtra, India ×
Lustrous,sharp cobaltocalcite crystals in very good pink color. SpiriferMinerals.com - minerals specimens, mineral specimens, minerals collecting, high quality minerals, fluorite, tourmaline
crystals of Linarite. The close-up clearly displays the intense color of these thin Linarite crystals! All the crystals are nestled snug in a vug of Quartz crystals and breccia matrix. From the Grand Reef Mine in Graham County, Arizona.