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Chrysocolla has a cyan (blue-green) color and is a minor ore of copper, having a hardness of 2.5 to 7.0. It is of secondary origin and forms in the oxidation zones of copper ore bodies. Associated minerals are quartz , limonite , azurite , malachite , cuprite , and other secondary copper minerals.
The larvae bore through roots, logs, stems, and leaves of various types of plants, ranging from trees to grasses. The wood boring types generally favor dying or dead branches on otherwise-healthy trees, while a few types attack green wood; some of these are serious pests capable of killing trees and causing major economic damage, such as the ...
Slice of Eilat stone. Eilat Stone (Hebrew: אבן אילת) is a gemstone that derives its name from the city of Eilat in Israel, where it was once mined.It is characterized by a green-blue heterogeneous mixture of several secondary copper minerals, including malachite, azurite, turquoise, pseudomalachite, and chrysocolla.
Dioptase is popular with mineral collectors, and it is occasionally cut into small emerald-like gems. Dioptase and chrysocolla are the only relatively common copper silicate minerals. A dioptase gemstone should never be exposed to ultrasonic cleaning or the fragile gem will shatter.
Its color is normally apple-green, but varies from turquoise-like cyan to deep green. The darker varieties of chrysoprase are also referred to as prase . (However, the term prase is also used to describe chlorite -included quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.)
Celosia argentea var. cristata (formerly Celosia cristata), known as cockscomb, is the cristate or crested variety of the species Celosia argentea.It was likely originally native to India, where it was saved from extinction in cultivation by the religious significance attached to the variety by Indian, Burmese, and Chinese gardeners who planted it near temples.
It blooms in mid-spring to summer. The plant exhibits dodecaploidy. The flowers are tiny and hermaphrodite, they are packed in narrow, pyramidal, plume-like heads 4–10 inches (10–25 cm) long with vivid colors including shades of orange, red, purple, yellow and cream. [3] It is propagated by black seeds.
Heliconia mariae inflorescence Heliconia psittacorum. Heliconia is a genus of flowering plants in the monotypic family Heliconiaceae.Most of the 194 known species [3] are native to the tropical Americas, but a few are indigenous to certain islands of the western Pacific and Maluku in Indonesia. [2]