Bloodstone, or heliotrope, is a variety of jasper; particularly the green form with inclusions of red hematite, supposedly resembling spots of blood; hence the name bloodstone. It features as an invisibility stone in Boccaccio's Decameron, and is sometimes used in carved signet rings and is the traditional birthstone for March.[1][2]

In the series[edit | edit source]

"Last Call"[edit | edit source]

In "Last Call", maenad Meditrina Bassarid buys some bloodstone from Burt Decker, using Herbert Orson Caine as a middleman.[3]

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