onEvent('item.tooltip', tooltip => {
    tooltip.add([
        "gemsnjewels:garnet",
        "gemsnjewels:topaz",
        "gemsnjewels:peridot",
        "gemsnjewels:aquamarine",
        "gemsnjewels:zircon",
        "gemsnjewels:alexandrite",
        "gemsnjewels:tanzanite",
        "gemsnjewels:tourmaline",
        "gemsnjewels:spinel",
        "gemsnjewels:black_opal",
        "gemsnjewels:citrine",
        "gemsnjewels:morganite",
        "gemsnjewels:ametrine",
        "gemsnjewels:iolite",
        "gemsnjewels:kunzite"
    ],
    ["Two sells for 1 emerald in the crafting table."]
    )
    tooltip.add([
        "gemsnjewels:opal",
        "gemsnjewels:ruby",
        "gemsnjewels:sapphire",
        "gemsnjewels:amethyst"
    ],
    ["Sells for 1 emerald in the crafting table."])
})