geologyin-blog

[geologyin-blog]

Amygdaloidal agate is a volcanic rock formed when silica-rich fluids fill gas cavities within solidifying lava, resulting in a dark basaltic matrix studded with rounded agate inclusions. The agate can display a variety of colors and patterns. Read more here:

#agate #gemstones #minerals #basalt #igneous rocks #gems

[geologyin-blog]

Red botryoidal chalcedony from North Ankara, Turkey

Photo: Hasan Kürük

#chalcedony #minerals #crystals #gems #gemstones #agate #botryoidal #turkey

[geologyin-blog]

Extraordinary bi-color grape agate (Chalcedony) specimen from Indonesia

Photo: IndoMineral

#grape #grape agate #minerals #gems #crystals #gemstones #agate #chalcedony

[geologyin-blog]

Velvet obsidian is a rare variety of obsidian, with a deep black color and a velvety sheen that shimmers with iridescent green, red, blue, violet, and orange hues when held up to light. This shimmering effect, called , Read more here:

#obsidian #iridescent #gemstones #igneous rocks #volcanic glass

[geologyin-blog]

The Eyes of Africa. Composed of several white, semi-translucent quartz crystals and large, green and black Alien Eye Fluorites, 

from Erongo Region, Namibia.

Photo: Alain Truong

#fluorite #africa #Namibia #quartz #minerals #crystals #gemstones

[geologyin-blog]

Complex Selenite crystal from The Naica Mine of Chihuahua, Mexico.

Photo:Golden Hour Minerals

#minerals #crystals #gemstones #gypsum #selenite #mexico

[geologyin-blog]

This golden stone is Copal Amber from Colombia. Copal, sometimes referred to as “young amber” has been dated from tens of thousands to several million years old. by @ Astoneforeveryhome /IG

#amber #gems #fossils

[geologyin-blog]

Recumbent fold is a geologic feature in which rock layers are folded nearly horizontally. The axial plane, which is the imaginary line down the center of the fold, is nearly flat. This type of fold occurs when immense pressure from Read more here:

#Recumbent #folds #geology

[geologyin-blog]

A piece of opalized wood from The Comet opal mine in Koroit, Australia

Photo: Gene McDevitt

#opal #koroit #australia #gemstones #opalized wood

[geologyin-blog]

Metamorphic rocks can be a treasure trove for some of the most beautiful and valuable gemstones on Earth. Examples of gems commonly found in metamorphic rocks include garnet, ruby, sapphire, jade, kyanite, and staurolite. Read more here:

#minerals #metamorphic rock #gemstones #gems #kyanite #tourmaline #ruby #sapphire #garnet

[geologyin-blog]

Gorgeous Natural Vanadinite crystals from Atlas Mountains, Mibladen, Morocco Credit: Rachid El Maadour

#vanadinite #minerals #crystals #gems #quartz #gemstones

[geologyin-blog]

A rare gem, the rainbow lattice sunstone. The intricate lattice pattern, formed by tiny mineral inclusions, creates a mesmerizing canvas for the gemstone's remarkable play of colors.

By: Gecko Stones

#minerals #crystals #gems #gemstones #sunstone #rainbow lattice sunstone

[geologyin-blog]

Turritella agate is a fossilized gemstone formed from the unique combination of ancient snail shells and mineral deposits. Characterized by a brown or black translucent agate base with contrasting white or tan fossilized snail shells Read more here:

#agate #minerals #fossils #gemstones #gems #Wyoming

[geologyin-blog]

Absolute dating methods are indispensable tools in the fields of archaeology, geology, paleontology, and related disciplines. Absolute dating is a method used by scientists to determine the exact age of an object or a phenomenon in years. Read more here:

#dating #geology #archaeology #paleontology #carbon dating #radiom #radiometric

[geologyin-blog]

“Yooperlite” on Lake Superior! These rocks are sodalite in syenite and the sodalite part glows when a long wave UV light is shined onto them! Hunting these is so much fun!!

📽️ By: Thecrystalcollector

Bryan Major

#minerals #gems #Yooperlite #IG #igneous rocks #syenite

[geologyin-blog]

Natural Calcite crystals “Flowers”

From Rio Grande do Sul, Brazil

Photo: Thomas Spann

#calcite #minerals #crystals #brazil #gemstones #flowers

[geologyin-blog]

Trapiche sapphire is a rare variety of sapphire known for their unique six-rayed star pattern. Trapiche sapphires have a distinctive six-pointed star-like pattern radiating from the center of the stone. Read more here:

#sapphire #minerals #gems #gemstones #crystals #trapiche