Granite

Labradorite Blue

Ukraine (Zhytomyr Oblast)

Labradorite Blue

Photo coming soon

HardnessHard(6–7 Mohs)

SoftHard

Acid SensitivityAcid Safe

SafeHigh Risk

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True Geology: Anorthosite

Labradorite Blue is commercially sold as granite, but is geologically a anorthosite. This affects its actual physical and chemical properties.

Stone TypeGranite

Geological NameAnorthosite (commercially granite)

OriginUkraine (Zhytomyr Oblast)

ASTM SpecificationASTM C615

ClassificationDense Crystalline / Siliceous

Available FinishesPolished, Honed (Matte), Leathered, Brushed, Flamed

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Potential Iron Content

Some slabs of Labradorite Blue may contain iron minerals that can oxidize in wet environments. If planning for a shower or outdoor installation, have the slab tested for iron content first.

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True Geology: Anorthosite

Labradorite Blue is commercially sold as granite, but it is geologically a anorthosite. This distinction matters because true geological classification determines the stone's actual physical and chemical properties — which affects how it performs, how it should be maintained, and how it reacts to acids and moisture.

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MB Stone I.D. Kit — Test Your Stone

Not sure what stone you have? This kit includes the tools professionals use to identify stone type, test acid sensitivity, check absorption, and determine the right care products.

Shop Stone I.D. Kit — $139.97