This is a port to 1.14.4 and later, of the Sterling and Black module of akkamaddi's Additions from 1.7.10. See that article for original permissions and Minecraft Forum thread links. The mod (an add-on for Simple Ores) was originally written by akkamaddi, and then abandoned; I took up maintenance of the mod after that.
This SimpleOres Fusion add-on introduces two Silver alloys, Sterling Steel and Black Silver.
Zot's Only Silver is highly recommended as your source of silver, though Sterling & Black should work with any mod that provides silver ingots, as long as they are properly entered in the ore dictionary as "forge:ingots/silver". However, the special silver-only enchantments are only available if Zot's Only Silver is installed.
Minecraft 1.16.3 and later: requires SimpleCoreLib and Fusion; SimpleOres optional but recommended (as a source of Onyx to make Black Silver).
Minecraft 1.14.4 to 1.15.2: requires SimpleOres and Fusion.
Sterling Steel is an alloy that is durable, and largely maintains silver's high enchantability. It appears similar to iron equipment, but with a blueish tint. It can be used to create a full set of tools and armor. Sterling Steel is stronger than standard silver, with a much higher durability, and only a small loss in enchantability.
Black Silver is an alloy that is very strong, being slightly more powerful than its component Onyx, and a higher enchantability. It can be used to create a full set of tools and armor. Enchantability for armor is slightly higher than for tools for Sterling Steel and Black Silver.
Further, alloying silver into Sterling Steel enhances its natural magic, and the armor is innately enchanted. Wearing the Sterling Steel helmet, chest plate, and leggings together grants the magical (potion) ability Speed 1, which gives a small boost to movement speed. Wearing the Sterling Steel chest plate, leggings, and boots together grants the ability Jump 1, which increases jump height by half a block. This allows you to scale wood and stone fences. (The particle effects from the potion effects can be decreased in the game's display settings.)
Black Silver armor is similarly retains natural magic. A full set of Black Silver armor grants the temporary enchantment of Dig Speed 1.
Further details, such as fusion recipes, can be found in the wiki (which needs updating). Sterling & Black is fully compatible with JEI, including fusion furnace recipes.
Sterling & Black also includes content that was formerly in Recycle Your Silver, which adds fusion furnace recycling recipes for Zot's Only Silver items.
