Ⓜ️Ⓜ️🅾️🅾️🅾️

#stoichiometry #Mn2O3 #chemical structure #atoms #manganese oxide #formula unit

Ⓜ️2️⃣🅾️3️⃣

#Mn2O3 #manganese oxide #stoichiometry #inorganic compound

Ⓜ️3️⃣🟤⚫

#manganese #+3 state #brown solid #black powder #manganese oxide #chemical properties

💎III🅾️

#bixbyite #manganese mineral #manganese oxide #+3 oxidation state #mineralogy

🌹🖤🪨

#rhodonite mineral #rose stone #pink black rock #manganese oxide #dendritic pattern #mineral specimen

🌹⚫️🪨

#rhodonite #rose stone #pink black rock #manganese oxide #rhodon