sand crystal

sand crystal

[′san ‚krist·əl]
(geology)
A large crystal loaded up to 60% with detrital sand inclusions formed in a sandstone during or as a result of cementation.
References in periodicals archive ?
GET THE LOOK: Chanel Pro Lumiere foundation, pounds 23; Urban Decay Surreal Skin Mineral Makeup powder foundation, pounds 17 at Debenhams; L'Oreal Glam Shine lipgloss in Sand Crystal, pounds 6.99 and BeneFit High Beam, pounds 15.
White sand crystals shining in the sun as diamonds and changing colours of sea varying between turquoise of the Caribbean Sea on one side of the island and surf loaded deep blue waters of the Atlantic Ocean on the other, make it a peaceful, tranquil and relaxing place; ideal for educational pursuits.
As you trip, you harshly fall and hit the burning rough sand crystals, but you're laughing so hard at yourself and at your friends as they try to maintain their balance, but fail; you can still feel the free fall.
He knew that rocks could be crushed into smaller rocks, and finally into sand crystals. But, he wondered if there was something smaller that made up sand crystals.
By crushing sand crystals, students can observe that tiny crystals can become even smaller.
Clouds of sand crystals resembling crushed glass envelop 21 infrared-bright galaxies, astronomers report.