Agate
Hardness ( Moh )
" 6.5 - 7
Crystal System
Rhombohedral, MicrocrystallineSpecific Gravity
2.60 - 2.65
Refractive Index
1.535 - 1.539
Birefringence
Family
Quartz
Colour(s)
Violet, Grey, Yellow, brown, banded
Cleavage
Francture Type
Conchoidal
Luster
Streak
White
Transparency
Translucent
Formula
SiO2 silicon dioxide
Country
Found In Afghanistan ,Algeria ,Angola ,Antarctica ,Argentina ,Armenia ,Australia ,Austria ,Belgium ,Bolivia ,Botswana ,Brazil ,Bulgaria ,Canada ,Chile ,China ,Costa Rica ,Croatia ,Cuba ,Czech Republic ,DR Congo ,East Timor ,Ethiopia ,Faroe Islands ,Finland ,France ,Georgia ,Germany ,Greece ,Hungary ,Iceland ,India ,Indonesia ,Iran ,Iraq ,Isle of Man ,Italy ,Jamaica ,Japan ,Kazakhstan ,Kenya ,Latvia ,Lesotho ,Madagascar ,Malawi ,Mexico ,Mongolia ,Morocco ,Mozambique ,Namibia ,New Zealand ,North America ,Norway ,Panama ,Papua New Guinea ,Paraguay ,Peru ,Poland ,Portugal ,Romania ,Russia ,Slovakia ,South Africa ,South America ,Spain ,Sri Lanka ,Sweden ,Switzerland ,Tajikistan ,Turkey ,Turkmenistan ,UK ,Ukraine ,Uruguay ,USA ,Vietnam ,Yemen ,Zimbabwe