Search results
Results From The WOW.Com Content Network
Some amber sites in Mexico. Mexican amber is mainly recovered from fossil bearing rocks in the Simojovel region of Chiapas, Mexico. It is one of the main minerals recovered in the state of Chiapas, much of which is from 15 to 23 million years old, with quality comparable to that found in the Dominican Republic. Chiapan amber has a number of ...
Echeveria elegans is a succulent evergreen perennial growing to 5–10 cm (2–4 in) tall by 50 cm (20 in) wide, with tight rosettes of pale green-blue fleshy leaves, bearing 25 cm (10 in) long slender pink stalks of pink flowers with yellow tips in winter and spring.
The iridescence is due to the microstructure of the aragonite: Unlike most other gems, whose colors come from light absorption, the iridescent color of ammolite comes from interference with the light that rebounds from stacked layers of thin platelets that make up the aragonite. The thicker the layers, the more reds and greens are produced; the ...
The color of pyrargyrite is usually greyish-black and the lustre metallic-adamantine; large crystals are opaque, but small ones and thin splinters are deep ruby-red by transmitted light, hence the name, from the Greek pyr and argyros, "fire-silver" in allusion to color and silver content, given by E. F. Glocker in 1831. The streak is purplish ...
The leaves are linear to oblong, about 7.5 cm (3 in) long, and shiny medium green, not blue-green as in French tarragon (Artemisia dracunculus var. sativa). In late summer it bears clusters of small golden yellow flower heads on the ends of the stems. The flower heads are about 15 mm (1 ⁄ 2 in) across and have 3–5 golden-yellow ray florets. [5]
Andradite is a mineral species of the garnet group.It is a nesosilicate, with formula Ca 3 Fe 2 Si 3 O 12.. Andradite includes three varieties: Colophonite: a historical variety found in the Scandinavian islands, brownish or reddish in color, often opaque or translucent.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The colors from different rhodolite sources may vary from a lavender pink to raspberry rose or raspberry red and from purplish-violet (grape) to purplish red. [ 5 ] The color of rhodolites, combined with their brilliance, durability, and the accessibility of stones with no visible inclusions have brought about some demand for the stone in the ...