Incredible colors!  Igneous rocks formed from lava flows of the Archaean era (>2,700 million years ago) are often found to contain disequilibrium-textured crystals characterized by spherulitic, branching or dendritic morphologies that occur in layers near the flow surface.

Fractal mineral space by Pascal Petit. Igneous rocks formed from lava flows of the Archaean era.

Opal thunderegg #GemstoneSerendipity #gems #minerals #fossils #rocks

Opal Geode

The ocean Opal (thunderegg) from Australia. The opal is the National Gemstone of Australia.

Tanzanite - Merelani Hills, Arusha Region, Tanzania

Tanzanite - Merelani Hills, Arusha Region, Tanzania what a stunner!

Opal

Exquisite Welo Opal from Welo Amhara Regional State Ethiopia : credit: © by Treasurion Visit Amazing Geologist for more.

Rhodochrosite Slab Capillitas Mine Catamarca Province, Argentina

Rhodochrosite Slab Capillitas Mine Catamarca Province, Argentina--I think this is a rock!

Crowned with a green cap or scepter, this zoned Tourmaline transitions from deep blue to a lighter blue then to a pink layer showing chatoyancy.

Tourmaline Location: Barra da Salinas, Minas Gerais, Brazil Size: x x cm

Blue Biggs Jasper stone

Blue Biggs Jasper stone, is a silicated volcanic ash. It was formed during a volcanic eruption and is part of a Miocene series of rocks called the John Day Formation, near Biggs, Oregon. It is a decorative stone used for jewelery and trinkets.

Rhodochrosite with Quartz

Rhodochrosite with Quartz - Hedgehog Pocket, Sweet Home Mine, Mount Bross, Alma…

<3 Chalcedony: this stone absorbs negative energy then dissolves it to avoid further transmission, and can also transmute negative feelings into joy; harmonizes the mind, body, and spirit making it excellent for use in telepathy     |   #perspicacityparty #magicgeodes #magic stones #stones #crystals #gems #chalcedony

Green & Orange Dragon Veins Chalcedony - one of the very rare translucent pieces that would qualify for the "aqua terra" color family.

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