Encyclopedia - O Minerals

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All minerals 1€ to 20€ 20€ to 100€ 100€ to 250€ Up to 250€

All minerals 1€ to 20€ 20€ to 100€ 100€ to 250€ Up to 250€All minerals 1€ to 20€ 20€ to 100€ 100€ to 250€ Up to 250€

MINERALS IN O

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Offretite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (K,Ca,Mg)₃Al₅Si₁₃O₃₆ 15H₂O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Infos

Okenite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : Ca₅Si₉O₂₃ 9H₂O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Infos

Oligoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,Ca)(Al,Si)₄O₈
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

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Infos

Olivenite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Monoclinic
Chemistry : Cu₂(AsO₄)(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Infos

Olivine

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : X₂SiO₄
Rarity : Very common

Size : µm / mm / cm / dm / m

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Infos

Omphacite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : (Ca,Na)(Mg,Fe,Al)Si₂O₆
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Infos

Onoratoite

Class : Halides
Subclass : Oxychlorides
Crystal system : Monoclinic
Chemistry : Sb₈O₁₁Cl₂
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Infos

Opal

Class : Silicates
Subclass : Tectosilicates
Crystal system : Amorphous
Chemistry : SiO₂ nH₂O
Rarity : Common

Size : µm / mm / cm / dm / m

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Infos

Gold

Class : Elements
Subclass : Metals
Crystal system : Cubic
Chemistry : Au
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Infos

Orpiment

Class : Sulfides and sulphosalts
Subclass : Sulfides
Crystal system : Monoclinic
Chemistry : As₂S₃
Rarity : Faily common

Size : µm / mm / cm / dm / m

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Infos

Orthoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : KAlSi₃O₈
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

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Infos

Osumilite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : K(Fe,Mg)₂(Al,Fe)₃(Si,Al)₁₂O₃₀
Rarity : Rare

Size : µm / mm / cm / dm / m

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Infos

Otavite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Trigonal
Chemistry : CdCO₃
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

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Infos

Ottrelite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : (Mn,Fe,Mg)₂Al₄Si₂O₁₀(OH)₄
Rarity : Very rare

Size : µm / mm / cm / dm / m

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A B C D E F G H I J K L M N O P Q R S T U V W X Y ZBy classes By crystal systems By chemistry Mineral listMinerals for sale Encyclopedia Glossary

MINERALS IN O

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
By classes By crystal systems By chemistry Mineral list
Minerals for sale Encyclopedia Glossary