Rosette Spherocobaltite Crystals
Spherocobaltite is a cobalt carbonate mineral with the chemical composition CoCO₃, where cobalt is combined with carbonate …
May 2014
Amazing Smithsonite Crystal
From Tsumeb Mine, Tsumeb, Otjikoto, Namibia Smithsonite is a gemstone quality zinc carbonate, sometimes referred to as &…
Amazing Mimetite Crystals
Mimetite Formula: Pb5(AsO4)3Cl System: Hexagonal Colour: Pale-yellow, ... Lustre: Sub-Adamantine, Resinous Hardnes…
Excellent Erythrite
Erythrite | #Geology Formula: Co3(AsO4)2·8H2O System: Monoclinic Colour: Crimson to peach red, ... Hardness: 1½ - 2½ Me…
Stunning Cacoxenite Crystals
Stunning Cacoxenite Crystals. From: La Paloma Mine, Zarza la Mayor, Cáceres, Extremadura, Spain. Photo: Rewitzer Christia…
What is Cuprite
Cuprite (Cu₂O) is a copper(I) oxide mineral, a member of the oxide mineral class. It stands out for its vibrant ruby-red col…
Foliated Metamorphic Rocks
Foliated metamorphic rocks are a type of metamorphic rock that has a banded or layered appearance. This banding is caused…
Beautiful Azurite Crystal
Azurite |# Geology Formula: Cu3(CO3)2(OH)2 System: Monoclinic Colour: Azure blue, blue, light ... Lustre…
Petrified Forest National Park
Petrified Forest is known for its fossils, especially fallen trees that lived in the Late Triassic, about 225 million…
What is Vanadinite
Vanadinite is a mineral species composed of lead vanadate, with the chemical formula Pb₅(VO₄)₃Cl . It is a relatively rare …
The Fire Mountain Yanar Dag
is a natural gas fire which blazes continuously on a hillside on the Absheron Peninsula on the Caspian Sea near Baku, …
Perfect Isolueshite
Isolueshite Formula: (Na,La,Ca)(Nb,Ti)O3 System: Isometric Lustre: Adamantine Hardness: 5½ From: Kola Peninsula, M…
Extraordinary Wulfenite Crystal
Extraordinary Wulfenite Crystal. From: Albuñuelas, Granada, Spain. Photo: Christian Rewitzer Wulfenite Formula:…
Dioptase Crystals On Calcite
Dioptase | #Geology Formula: CuSiO3 · H2O System: Trigonal Colour: Emerald Green, blue-green Lustre: Vitreous…
Rare Boulder Opal
This one-of-a-kind, museum-grade boulder opal displays striking bands of emerald green and aqua blue, vividly contr…
Giant dinosaur unearthed in Argentina
As heavy as 14 elephants, as long as 2 tractor trailers: Meet Mr. Titanosaur They may be the biggest boys on an…
