emerald ???

[skalleewag]

emerald

i found this on the beach, any hints?

 

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[Eu_citzen]

Re: emerald

Some info:
Emerald
the draker green the more $$$ you get.
chemical formula: Be3Al2SiO6
SG: 2.6 - 2.8
Hardness: 7.5-8 (about the same as quartz)

Mohs Number Mineral Examples
1 Talc
2 Gypsum
2.5 Fingernail
3 Calcite Copper Penny
3.5 Adamite
4 Fluorite
4.5 Steel Nail
5 Apatite
5.5 Glass
6 Feldspar
6.5 Steel File
7 Quartz
7.5 Beryl
8 Topaz
9 Corundum Ruby
10 Diamond

try looking at it's hardness by scratching it with i.e quartz.

 

[Daisy]

Re: emerald

It could be aventurine... hard to tell from a pic.
good luck
daisy

 

[onlylar]

Re: emerald

Serpentine,, we have tons of it here in Harmony NJ

 

[skalleewag]

Re: emerald

thanks all..