Karol Novotný
Viac nápadov od Karol
Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Tamil and Sinhalese word "Turmali" --https://en.wikipedia.org/wiki/Tourmaline

Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Tamil and Sinhalese word "Turmali" --https://en.wikipedia.org/wiki/Tourmaline

Thunder egg is a nodule-like rock, similar to a filled geode, that is formed within volcanic ash layers. by Bill The Eggman on Flickr  Amazing Geologist

Thunder egg is a nodule-like rock, similar to a filled geode, that is formed within volcanic ash layers. by Bill The Eggman on Flickr Amazing Geologist

Montana Rainbow Iris Agate | #Geology #GeologyPage #Agate #Mineral Geology Page www.geologypage.comMontana Rainbow Iris Agate | #Geology #GeologyPage #Agate #Mineral Geology Page www.geologypage.com

Montana Rainbow Iris Agate | #Geology #GeologyPage #Agate #Mineral Geology Page www.geologypage.comMontana Rainbow Iris Agate | #Geology #GeologyPage #Agate #Mineral Geology Page www.geologypage.com

large full polished Boulder Opal Specimen

large full polished Boulder Opal Specimen

Fire Obsidian Stone, while holding this rock you become one with the universe. its a truly zen experience Selling for RM50

Fire Obsidian Stone, while holding this rock you become one with the universe. its a truly zen experience Selling for RM50

pol. Boulder Opal Specimen...

pol. Boulder Opal Specimen...

Chalcopyrite with Quartz from Colorado  by Dan Weinrich

Chalcopyrite with Quartz from Colorado by Dan Weinrich

Bouquet agate, Texas   THIS IS STUNNING ❦ CHRYSTALS ❦ semi precious stones ❦

Bouquet agate, Texas THIS IS STUNNING ❦ CHRYSTALS ❦ semi precious stones ❦

Agate from Hungary

Agate from Hungary

Quartz with needle-like rutile inclusions.  Rutile is a titatium mineral.

Quartz with needle-like rutile inclusions. Rutile is a titatium mineral.