many worldgen mods and gonna try technic now

mods/dfcaverns/df_mapitems/crystals_salt.lua

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+local S = minetest.get_translator(minetest.get_current_modname())
+
+minetest.register_node("df_mapitems:salt_crystal", {
+	description = S("Luminous Salt Crystal"),
+	_doc_items_longdesc = df_mapitems.doc.salt_desc,
+	_doc_items_usagehelp = df_mapitems.doc.salt_usage,
+	tiles = {"dfcaverns_salt_crystal.png"},
+	groups = {cracky = 2, pickaxey = 1, shovely=1, material_stone=1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drawtype = "mesh",
+	mesh = "underch_crystal.obj",
+	light_source = 6,
+	sounds = df_dependencies.sound_glass(),
+	use_texture_alpha = "blend",
+	sunlight_propagates = true,
+	is_ground_content = false,
+	on_place = df_mapitems.place_against_surface,
+	_mcl_blast_resistance = 1,
+	_mcl_hardness = 1,
+})
+
+minetest.register_node("df_mapitems:salty_cobble", {
+	description = S("Salty Cobble"),
+	_doc_items_longdesc = df_mapitems.doc.salty_cobble_desc,
+	_doc_items_usagehelp = df_mapitems.doc.salty_cobble_desc,
+	tiles = {df_dependencies.texture_cobble .. "^dfcaverns_salty.png"},
+	groups = {cracky = 3, stone = 1, lava_heatable = 1, pickaxey = 1, material_stone=1},
+	_magma_conduits_heats_to = df_dependencies.node_name_cobble,
+	is_ground_content = false,
+	light_source = 2,
+	drop = df_dependencies.node_name_cobble,
+	sounds = df_dependencies.sound_stone(),
+	_mcl_blast_resistance = 6,
+	_mcl_hardness = 2,
+})