Add to the ModItems.java

    public static final RegistryObject<Item> FIRESTONE = ITEMS.register("firestone",
            () -> new Firestone(new Item.Properties().group(ModItemGroup.TUTORIAL_GROUP).maxDamage(8)));

Firestone.java

public class Firestone extends Item {
    public Firestone(Properties properties) {
        super(properties);
    }

    @Override
    public ActionResultType onItemUseFirst(ItemStack stack, ItemUseContext context) {
        World world = context.getWorld();

        if(!world.isRemote) {
            PlayerEntity playerEntity = Objects.requireNonNull(context.getPlayer());
            BlockState clickedBlock = world.getBlockState(context.getPos());

            rightClickOnCertainBlockState(clickedBlock, context, playerEntity);
            stack.damageItem(1, playerEntity, player -> player.sendBreakAnimation(context.getHand()));
        }

        return super.onItemUseFirst(stack, context);
    }

    private void rightClickOnCertainBlockState(BlockState clickedBlock, ItemUseContext context,
                                               PlayerEntity playerEntity) {
        boolean playerIsNotOnFire = !playerEntity.isBurning();

        if(random.nextFloat() > 0.5f) {
            lightEntityOnFire(playerEntity, 6);
        } else if(playerIsNotOnFire && blockIsValidForResistance(clickedBlock)) {
            gainFireResistanceAndDestroyBlock(playerEntity, context.getWorld(), context.getPos());
        } else {
            lightGroundOnFire(context);
        }
    }

    private boolean blockIsValidForResistance(BlockState clickedBlock) {
        return clickedBlock.getBlock() == Blocks.OBSIDIAN;
    }

    public static void lightEntityOnFire(Entity entity, int second) {
        entity.setFire(second);
    }

    private void gainFireResistanceAndDestroyBlock(PlayerEntity playerEntity, World world, BlockPos pos) {
        gainFireResistance(playerEntity);
        world.destroyBlock(pos, false);
    }

    public static void gainFireResistance(PlayerEntity playerEntity) {
        playerEntity.addPotionEffect(new EffectInstance(Effects.FIRE_RESISTANCE, 200));
    }

    public static void lightGroundOnFire(ItemUseContext context) {
        PlayerEntity playerentity = context.getPlayer();
        World world = context.getWorld();
        BlockPos blockpos = context.getPos().offset(context.getFace());

        if (AbstractFireBlock.canLightBlock(world, blockpos, context.getPlacementHorizontalFacing())) {
            world.playSound(playerentity, blockpos, SoundEvents.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 1.0F,
                    random.nextFloat() * 0.4F + 0.8F);

            BlockState blockstate = AbstractFireBlock.getFireForPlacement(world, blockpos);
            world.setBlockState(blockpos, blockstate, 11);
        }
    }
}

models-item-firestone.json

{
  "parent": "item/generated",
  "textures": {
    "layer0": "tutorialmod:item/firestone"
  }
}