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Grape Agate is a market name for purple aggregates of tiny quartz crystals with botryoidal (spherical) habit. [1] Mineralogically speaking, grape agate is not an agate [2] and is actually botryoidal purple chalcedony. [3] It occurs in Indonesia [2] and has also been found west of the Green river in Utah. [4]: 75
Agate. Agate is a fibrous, banded variety of chalcedony that occurs in a variety of colors and patterns. [9] Iris agate shows exceptional iridescence when light (especially pinpointed light) is shone through the stone. Landscape agate is chalcedony with a number of different mineral impurities making the stone resemble landscapes. [10]
Chrome chalcedony; Chrysoprase; G. Grape Agate ... Grape Agate; H. Heliotrope (mineral) O. Onyx; P. Pietersite This page was last edited on 13 January 2016, at 16:16 ...
Agate (/ ˈ æ ɡ ɪ t / AG-it) is a fibrous, banded variety of chalcedony. [1] Agate stones are characterized by alternating bands of different colored chalcedony and sometimes include macroscopic quartz. They are common in nature and can be found globally in a large number of different varieties.
Botryoidal habit of gibbsite crystals. A botryoidal (/ ˌ b ɒ t r i ˈ ɔɪ d əl / BOT-ree-OY-dəl) texture or mineral habit, is one in which the mineral has an external form composed of many rounded segments, named for the Ancient Greek βότρυς (bótrus), meaning "a bunch of grapes". [1]
A rough specimen of bloodstone. Heliotropes (from Ancient Greek ἥλιος (hḗlios) 'sun' and τρέπειν (trépein) 'to turn') (also called ematille, Indian bloodstones, or simply bloodstones) are aggregate minerals, and cryptocrystalline mixture of quartz that occurs mostly as jasper or sometimes as chalcedony (translucent).
Grape tomatoes provide a sweet and juicy alternative, ensuring a satisfying and flavorful meal. View Recipe. Creamy Green Pea Pesto Pasta. Photographer: Jen Causey, Food Stylist: Melissa Gray ...
A geode of chalcedony richly colored by hematite that gives it its rusty hues and marks it as Akik [contradictory] Aqeeq, akik or aqiq (Arabic: العقيق) means quartz in Arabic, and agate in Turkish, however in the context of rings usually refers to a ring set with a chalcedony stone. Well-known types of chalcedony are carnelian, agate, and ...