A species of Minerals, Also known as Botryite, Botryte, Palacheite, Red Iron Vitriol
Botryogen is a hydrous magnesium sulfate mineral with formula: MgFe(SO4)2(OH)·7H2O. It is also known as quetenite. It crystallizes in the monoclinic prismatic system and typically occurs as vitreous bright yellow to red botryoidal to reniform masses and radiating crystal prisms. It has a specific gravity in the range 2 to 2.1 and Mohs hardness in the range of 2 to 2.5. It occurs in arid climates as a secondary alteration product of pyrite-bearing deposits. It was first described in 1828 for an occurrence in the Falu mine of Falun, Dalarna, Sweden. It was named for its grape like appearance from Greek botrys for "bunch of grapes" and genos meaning "to bear".
Hardness:
2 - 2.5
Density:
2.23 g/cm³
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Properties
Characteristics
Common Questions
General Info About Botryogen
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Physical Properties of Botryogen
Colors
Light to dark orange-red; pale to dark orange
Streak
Ocher-yellow
Hardness
2 - 2.5 , Extremely soft
Density
2.23 g/cm³, Obviously Light Weight
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Chemical Properties of Botryogen
Formula
MgFe3+(SO4)2(OH) · 7H2O
Elements listed
Fe, H, Mg, O, S
Common Impurities
Zn,Mn
Characteristics of Botryogen
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