marcasite

"The school science project involved identifying different rocks based on the minerals they contained, like quartz and feldspar. "

"My son is studying geology in school; he's fascinated by the Earth's rock formations. "

"The liftoff will occur in exactly twelve seconds."

"The police identified the thief using security camera footage. "

"The mineral sample, when examined under a microscope, revealed an orthorhombic crystal structure, meaning its shape was defined by three axes of different lengths, all intersecting at 90-degree angles. "

"She had more jewellery ornamented about her than any three ladies needed."

"He is a student of life."

"Many proteins in hair contain a disulfide that helps maintain its structure, making it strong and resistant to breakage. "

"The sugar in the candy formed tiny, sparkling crystals. "

"We decorated the Christmas tree with tinsel and baubles."

"The wood was sparkling in the bonfire."

"The scientist studied the sulfides found in the ore sample. "