Ores are sorted into two main groups: common and rare, and their rarity heavily depends on these groups.

common = 160 - 200
rare = 210 - 230

• This means that it is a 1/N chance that chunk will spawn an ore vein.
  The rarity is also represented by: ▁▂▃▅▆▇

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Common

▁ 160 Malachite (Copper)
▁ 160 Azurite (Copper)
▂ 170 Coal
▂ 170 Assorted Quartz
▂ 170 Bauxite (Aluminum)
▃ 180 Galena (Lead / Silver)
▃ 180 Cassiterite (Tin)
▃ 180 Teallite (Tin)
▃ 180 Autunite (Uranium)
▅ 190 Hematite (Iron)
▅ 190 Limonite (Iron)
▅ 190 Pyrite (Sulfur / Iron)
▇ 200 Lapis
▇ 200 Cinnabar (Redstone)

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Rare

▂ 210 Gold
▃ 220 Kimberlite (Diamonds)
▃ 220 Beryl (Emeralds / Beryllium)
▅ 230 Sphalerite (Zinc)
▇ 230 Platinum / Osmium

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Occurrences of ores (Not implemented yet)

	MalachiteAzurite	Coal	AssortedQuartz	Bauxite	Galena	Cassiterite
Igneous Extrusive
Igneous Intrusive						x
Metamorphic	x		x		x
Sedimentary	x	x		x

	Teallite	Autunite	Hematite	Limonite	Lapis	Cinnabar
Igneous Extrusive			x
Igneous Intrusive		x				x
Metamorphic	x				x	x
Sedimentary				x

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	Gold	Kimberlite	Beryl	Sphalerite	PlatinumOsmium
Igneous Extrusive	x				x
Igneous Intrusive	x	x	x		x
Metamorphic				x
Sedimentary