May 2014

May 2014

Unique Rosette Spherocobaltite Crystals

Spherocobaltite Formula: CoCO3 System: Trigonal Hardness: 3 - 4 Member of: Calcite Group From: Bou Azzer, Taze…

Smithsonite is a gemstone quality zinc carbonate, sometimes referred to as "zinc spar". Smithsonite …

Mimetite Formula: Pb5(AsO4)3Cl System: Hexagonal Colour: Pale-yellow, ... Lustre: Sub-Adamantine, Resinous Hardnes…

Erythrite | ‪#‎Geology Formula: Co3(AsO4)2·8H2O System: Monoclinic Colour: Crimson to peach red, ... Hardness: 1½ - 2½ Me…

Stunning Cacoxenite Crystals. From: La Paloma Mine, Zarza la Mayor, Cáceres, Extremadura, Spain. Photo: Rewitzer Christia…

; Perfect Cuprite Crystal, From Tsumeb Mine, Tsumeb, Namibia Cuprite Formula: Cu 2 O System: Isometric Colour: Dar…

When a rock is acted upon by pressure that is not the same in all directions, or by shear stress (forces acting to “smear”…

Azurite |‪# ‎ Geology Formula: Cu3(CO3)2(OH)2 System: Monoclinic Colour: Azure blue, blue, light ... Lustre…

Petrified Forest is known for its fossils, especially fallen trees that lived in the Late Triassic, about 225 million…

Vanadinite Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb₅(VO₄)₃Cl . …

Corkite from Schöne Aussicht Mine, Dernbach, Odenwald, Germany

is a natural gas fire which blazes continuously on a hillside on the Absheron Peninsula on the Caspian Sea near Baku, …

Isolueshite Formula: (Na,La,Ca)(Nb,Ti)O3 System: Isometric Lustre: Adamantine Hardness: 5½ From: Kola Peninsula, M…

Extraordinary Wulfenite Crystal. Photo: Christian Rewitzer From: Albuñuelas, Granada, Spain Wulfenite | ‪#‎Geolog…

Dioptase | ‪#‎Geology Formula: CuSiO3 · H2O System: Trigonal Colour: Emerald Green, blue-green Lustre: Vitreous…

One of a kind Opal Real Museum grade Opalized wood displaying beautiful clear concentric growth rings Bright E…

As heavy as 14 elephants, as long as 2 tractor trailers: Meet Mr. Titanosaur They may be the biggest boys on an…

You might be confused the first time you see these colorful hills. But cal…

Earliest dinosaurs sported claws BY JENNIFER VIEGAS Dinosaurs have always wielded claws, from the earliest n…

waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water…

Mud volcano or mud dome are used to refer to formations created by geo-excreted liquids and gases, although there are s…

This is a very high quality spider animal. It is a very nice museum grade specimen with all eight legs preserved nicely. …

Blue Halite Crystal. Photo credit: Spirifer Minerals Well formed crystal of transparent, rare blue halite from new …