Obsidian is a naturally occurring volcanic glassformed as an extrusive igneous rock. Obsidian isproduced when felsic lava extruded from a volcano cools rapidlywith minimal crystal growth. The inhibition of atomic diffusionthrough this highly viscous lava explains the lack of crystalgrowth..
Similarly, you may ask, how is obsidian used?
Obsidian was used to make knives,arrowheads, spear points, scrapers, and many other weapons andtools. Once these discoveries were made, obsidian quicklybecame the raw material of preference for producing almost anysharp object.
where is obsidian found in the world? Obsidian can be found all over theworld in areas with volcanic activity. For example,significant deposits of obsidian can be found in theUnited States, Canada, Mexico, Guatemala, Argentina, Chile, Greece,Hungary, Italy, Iceland, Russia, New Zealand, Japan, andKenya.
Subsequently, question is, why is obsidian black?
Obsidian is usually black. This color iscaused by minute inclusions and tiny crystals in the glass. Redcolor is caused by the same stuff that gives red color to weatheredbasalt, desert sand and K-feldspar. It is mineral hematite (ironoxide).
What materials is obsidian made of?
Obsidian, igneous rock occurring as a naturalglass formed by the rapid cooling of viscous lava fromvolcanoes. Obsidian is extremely rich in silica (about 65 to80 percent), is low in water, and has a chemical compositionsimilar to rhyolite. Obsidian has a glassy lustre and isslightly harder than window glass.
Related Question Answers
Does Obsidian break easily?
Like all glass and some other types of naturallyoccurring rocks, obsidian breaks with a characteristic"conchoidal" fracture. This smooth, curved type of fracture surfaceoccurs because of the near-absence of mineral crystals in theglass. The intersections of conchoidal fracture surfaces can besharper than a razor.What chakra is Obsidian?
Healing with Obsidian A strongly protective stone, it forms a shield againstnegativity. It blocks psychic attack and absorbs negative energiesfrom the environment. Obsidian draws out mental stress andtension. It stimulates growth on all levels, urging exploration ofthe unknown and opening new horizons.How do you clean black obsidian?
Black Obsidian Concentrate To make a black obsidian concentrate that cleanshealing crystals, take this black obsidian, fill it withwater within a spray jar. Leave the jar open in the sun for fourhours to charge water and the crystal to use it anytime toclean healing crystals as well as yourroom.What is black obsidian good for?
Black Obsidian Stone is a powerful cleanser ofpsychic smog created within your aura, and is a strong psychicprotection stone. This stone has powerful metaphysical propertiesthat will help to shield you against negativity. The energy ofthese stones may stimulate the gift of prophesy.Is black obsidian magnetic?
By nature, obsidian is dark coloured because ofthe presence of an extremely fine distribution of magnetite and/orhematite. A slight increase in the amount of either could be enoughto draw a magnet, although as Donald stated, those neodimiummagnets are strong little animals..Why is obsidian so hard?
That's because obsidian is glass, and rather thanbeing super tough, it's brittle, shattering easily.Obsidian forms sharp edges because of its chemicalstructure. It's incredibly hard, and unlike crystallineminerals, which tend to cleave along their structural lines,obsidian has no crystalline structure.What is the difference between basalt and obsidian?
obsidian is essentially rock glass (It's muchglossier than basalt). The main difference is thatwhile basalt has itty bitty crystals, obsidiandoesn't really have any crystals. That's how fast it cools. A largefactor in this is cooling time.What is black obsidian made of?
Black obsidian is a black glass-like rockthat forms a result of volcanic lava cooling quickly.Is it safe to look at the sun through Obsidian?
0.5 cm thick obsidian plate, and that is all thatyou can tell us about it, then it is not safe to use forsolar viewing. Obsidian is a type of glass and, likeall naturally-occurring glass, there's a substantial amount ofvariability in its properties.Where do I mine Obsidian?
Obsidian can only be found naturally near Lavabeds that are below sea level. It is created when Water touches alava source block, causing the lava block to turn into anobsidian block. For this reason, it is usually found verydeep underground, around layer 10.What is blue Obsidian?
Blue Obsidian is a soft pale blue type ofObsidian, a silica rich volcanic rock, glassy in appearanceand is rare in its natural form. Much Blue Obsidianavailable is man made coloured glass or a vitreous by-product fromsmelting known as “slag”.Where can I find rainbow obsidian?
The four mines - Pink Lady, Lassen Creek Rainbow,Needles and Middle Fork Davis Creek - are all located within a fewmiles of US Hwy 395 in northeast California. Rainbowobsidian found at the Rainbow Mine and Middle Fork DavisCreek is sought after for its colorful sheen.Is Strawberry Obsidian man made?
Strawberry Obsidian is a see-through, pink stone.While it is a man-made glass, it is an acceptedmember of the gemstone community. 
