Silver

Silver is a material and an element added by various mods.

Vanilla
on the Minecraft Wiki

Immersive Engineering
Silver can be used to create the.

IndustrialCraft 2
Silver has a processing chain and recipes requiring it, however this doesn't add Silver Ore itself.

Smelting
To double or triple ore output a crushing machine must be used. The dust from these machines will need to be smelted in a smelting machine.

Config options
In the  configuration file (in the   folder), the generation of Silver Ore can be disabled, and the generation can be reduced by increasing the   value. Furthermore, the enabling of retro generation allows to generate the ore in an old world, which was started with older versions or without Project Red. "World Gen" { B:"Silver Ore"=true I:"Silver Ore resistance"=0 B:"Silver Ore retrogen"=false }

Thermal Expansion 3
Silver can also be made by using Factorization's Slag Furnace, and putting either Silver Ore in or any other of the Factorization ore processing chain items.

World generation
Silver Ore generates with Lead Ore. They generate in veins with a maximum size of 8 blocks. At y levels 5 to 30, the veins are generally composed of a 4:1 ratio of Silver:Lead. At y levels 10 to 35 they are generally composed of a 9:1 ratio of Lead:Silver.