diff --git a/init.lua b/init.lua
index a7edbd8..7d2335d 100644
--- a/init.lua
+++ b/init.lua
@@ -34,11 +34,17 @@ local function nodebox_of_size(size)
     }
 end
 
+-- Sounds
+local dripstone_sounds = nil
+if mcl_sounds then
+    dripstone_sounds = mcl_sounds.node_sound_stone_defaults()
+end
+
 -- Constants
-local speed_factor = 180
+local speed_factor = 30
 local seconds_per_growth = 10 * speed_factor
 local seconds_per_trickle = 1 * speed_factor
-local samples_per_interval = 100
+local samples_per_interval = 10
 
 -- Namespaced node names
 local dry_dripstone_block = "noordstar_dripstone:dripstone_block"
@@ -195,6 +201,13 @@ minetest.register_node(dry_dripstone_block,
     , _doc_items_longdesc = "Dripstone block that can suck up liquids above it and creates stalactites below it."
     , tiles = dry_dripstone_tiles
     , drawtype = "normal"
+    , groups = { pickaxey=2, material_stone=1 }
+    , is_ground_content = true
+    , drop = dry_dripstone_spike
+    , sounds = dripstone_sounds
+    , _mcl_hardness = 2
+    , _mcl_blast_resistance = 5
+    , _mcl_silk_touch_drop = true
     }
 )
 minetest.register_node(hardened_dripstone_block,
@@ -202,6 +215,13 @@ minetest.register_node(hardened_dripstone_block,
     , _doc_items_longdesc = "Dripstone block that is no longer able to absorb liquids above it."
     , tiles = hardened_dripstone_tiles
     , drawtype = "normal"
+    , groups = { pickaxey=2, material_stone=1 }
+    , is_ground_content = true
+    , drop = dry_dripstone_spike
+    , sounds = dripstone_sounds
+    , _mcl_hardness = 2
+    , _mcl_blast_resistance = 5
+    , _mcl_silk_touch_drop = true
     }
 )
 minetest.register_node(molten_dripstone_block,
@@ -209,6 +229,13 @@ minetest.register_node(molten_dripstone_block,
     , _doc_items_longdesc = "A dripstone block that has absorbed some lava, allowing it to form a stalactite."
     , tiles = molten_dripstone_tiles
     , drawtype = "normal"
+    , groups = { pickaxey=2, material_stone=1 }
+    , is_ground_content = true
+    , drop = dry_dripstone_spike
+    , sounds = dripstone_sounds
+    , _mcl_hardness = 2
+    , _mcl_blast_resistance = 5
+    , _mcl_silk_touch_drop = true
     }
 )
 minetest.register_node(watered_dripstone_block,
@@ -216,6 +243,13 @@ minetest.register_node(watered_dripstone_block,
     , _doc_items_longdesc = "A dripstone block that has absorbed some water, allowing it to form a stalactite."
     , tiles = watered_dripstone_tiles
     , drawtype = "normal"
+    , groups = { pickaxey=2, material_stone=1 }
+    , is_ground_content = true
+    , drop = dry_dripstone_spike
+    , sounds = dripstone_sounds
+    , _mcl_hardness = 2
+    , _mcl_blast_resistance = 5
+    , _mcl_silk_touch_drop = true
     }
 )
 
@@ -224,10 +258,17 @@ local function make_dripstone(name, desc, longdesc, tiles, size)
         { description = desc
         , _doc_items_longdesc = longdesc
         , tiles = tiles
+        , groups = { pickaxey=2, material_stone=1 }
+        , is_ground_content = true
+        , drop = dry_dripstone_spike
+        , sounds = dripstone_sounds
         , drawtype = "nodebox"
         , paramtype = "light"
         , sunlight_propagates = true
         , node_box = nodebox_of_size(size)
+        , _mcl_hardness = 1.0 + size / 8
+        , _mcl_blast_resistance = 1 + size / 2
+        , _mcl_silk_touch_drop = true
         }
     )
 end
diff --git a/mod.conf b/mod.conf
index 8f15cbe..94382f4 100644
--- a/mod.conf
+++ b/mod.conf
@@ -3,4 +3,4 @@ description=Add stalactites and stalagmites to your game.
 author=Noordstar
 title=Noordstar Dripstone
 depends=
-optional_depends=default,mcl_cauldrons,mcl_core
\ No newline at end of file
+optional_depends=default,mcl_cauldrons,mcl_core,mcl_sounds
\ No newline at end of file