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Minerals - Botryogen | TerraCollect

Mineral - Botryogen

BotryogenMgFe³⁺(SO₄)₂(OH) · 7H₂O

Chemical Properties

Mineral Class

Sulphates

Toxicity

none

Formula

MgFe³⁺(SO₄)₂(OH) · 7H₂O

Unit Cell

Physical Properties

Hardness

2 - 2.5

Streak

yellow

Density

Normal (2-3,5)

Optical Properties

Color

redorange

Birefringence

0.055

Luster

Vitreous

Transparency

Pleochroism

Geomineralogical Properties

Crystal System

monoclinic

Point Group

Cleavage

Fracture

Tenacity

monoclinic-prismatic - 2/m

Space Group

P21/c (14)

Habit

prismatic

Formation

Due to the oxidation of Pyrite under dry climatic conditions

Paragenesis

Twinning

Rarity

Rarely

Synonyms

Botryogen