Can you melt sand? If so, how?

Question

I imagine you'd have to use some sort of kiln... but could you take regular beach sand and melt it?

Great answers - but what would happen if you took, say, a teaspoon of sand and heated it in a kiln - I know they get up to 2300 degrees farenheit...

Answer 1

i dont think you can... why would you want to melt sand?

Answer 2

Sand Melting Point

Answer 3

you need to take into account that the sun is far far away, and between your sand and its surface there's the possibly best isolator mother nature ever created, and that is a vacuum. So all what your sand gets is the tiny little rest of the suns radiation which was capable to make its way. A lightning strike directly into the sand will heat up the sand at the very position the lightning strikes. No vacuum, no distance, just a direct intense hit, and its direct causes. In physical terms we talk about a matter of energy distribution. the more directly energy is converted (into heat in this case) the more intense is the effect. Given the hughe distance to the sun, the vacuum and finally the atmosphere between your sand and the sun, we have severe losses, which result the heating of the sand to an average 100 F on a calm sunny day

Answer 4

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RE:
Can you melt sand? If so, how?
I imagine you'd have to use some sort of kiln... but could you take regular beach sand and melt it?

Answer 5

sand is easily melted the trick is to get your hest source hot enough. a campfire can do it with the right wood and bellows. i have melted sand at the beach numerous times both on accident and on purpose as a fun science experiment. the sand usaully turns into black obsidian glass.warning dont try and melt stones as some will explode like hand grenades.

Answer 6

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The sun is billions of lightyears away, the lightning actually touches and goes through the sand. I can have a highpower blowtorch a few feet away from a leaf and have a weak match a few centimeters away. The blowtorch wouln't do anything but of course the match would light it on fire. Power and heat decreases as it gets farther away from the source.

Answer 7

Sand is mostly silicon dioxide - quartz - in small particles.
Its regular melting point is over 3000F which requires oxy-hydrogen torches when it is worked for high temp semiconductor fabrication.
Ordinary glass is made by taking ordinary sand and adding soda ash or pot ash to bring the melting point down into the 1500-1800F range, then adding lime or limestone for stability as sand-soda glass will dissolve in water over time.
Cooking glass from mix is usually done at 2200-2450F and hundreds of people, mostly glass artists do it every week.

Answer 8

i think that's what glass is, right? melted sand?

Answer 9

Sand is just tiny grains of rock. And what is lava? Molten rock! So once you get it up to a high enough temperature it will melt, but trying to do that yourself would be basically impossible.

Answer 10

well, no because most sand is just fragments of rock. however on occasion, lightning strikes do melt sand and form 'lightning glass' but it takes extreme heat to do so... only the heat of a lightning bolt can. now you CAN melt silica which is used to make regular glass...

Answer 11

i don't think you can melt sand