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hyalinocrystalline

adjective
hy·​al·​i·​no·​crystalline | \hī¦alə(ˌ)nō+\

Definition of hyalinocrystalline 

of rock

: having a texture partly glassy and partly crystalline

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History and Etymology for hyalinocrystalline

International Scientific Vocabulary hyaline entry 1 + -o- + crystalline; originally formed as German hyalinokristallin

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