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Adamsite

Adamsite or DM is an organic compound; technically, an arsenical diphenylaminechlorarsine, that can be used as a riot control agent. DM belongs to the group of chemical warfare agents known as vomiting agents or sneeze gases. First synthesized in Germany by Heinrich Otto Wieland in 1915, it was independently developed by the US chemist Roger Adams (for whom it is named) at the University of Illinois in 1918.

General Info About Adamsite

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Physical Properties of Adamsite

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Chemical Properties of Adamsite

Formula

KAl₂(AlSi₃O₁₀)(OH)₂

Elements listed

Al, H, K, O, Si

Optical Properties of Adamsite

Refractive Index

1.552-1.618

Pleochroism

Weak

Optical Character

Biaxial negative

Characteristics of Adamsite

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Composition of Adamsite

DM is an odourless crystalline compound with a very low vapour pressure. The colour of the crystals ranges from bright yellow to dark green depending on the purity. It is readily soluble in some organic solvents (e.g., acetone, dichloromethane), but nearly insoluble in water. In vaporous form it appears as a canary yellow smoke.

Cultural Significance of Adamsite

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Healing Properties of Adamsite

Adamsite is believed to help reveal a person's true self, allowing them to open their heart to a deeper love and understanding of others. Often used on the Third Eye and Crown chakra, it is said to help a person with everyday decision making and living a purposeful life. The vibrations from the stone are believed to open channels between a person and their spirit guide.

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