diamond teal blue burst excitement blast modern zoom warp background - 寶石學 幅插畫檔、美工圖案、卡通及圖標鑽石, 有邊框的, 興奮
gemology, ruby a precious gemstone and a variety of the mineral corundum, prized for its vivid red color, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
history, science, polariscope is an optical instrument that uses polarized light to determine the internal crystal structure, optical properties, and internal stresses of transparent materials like gemstones and glass, vintage illustration 19th century - 寶石學 幅插畫檔、美工圖案、卡通及圖標
hexagonal pyramids of the 2nd order ,crystal forms of the quadratic and hexagonal systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, sard a translucent, deep reddish-brown to brownish-red variety of chalcedony quartz, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, turquoise is a popular, opaque, blue-to-green gemstone, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
crystal forms of the tetragonal system ,tetragonale pyramide ,simple four-sided pyramid aligned with the primary axes. - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, chrysoberyl is an exceptionally hard and durable gemstone vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
a hemimorphic crystal of hemimorphite, characterized by its distinct polar symmetry. - 寶石學 幅插畫檔、美工圖案、卡通及圖標
star tetrahedron ,formed by two interpenetrating tetrahedra. this geometry is often seen in minerals like diamond or fahlore (tetrahedrite). - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, cut diamond shapes chart, german text, victorian 19th century vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標鑽石
four-sided prism capped by a four-sided pyramid ,crystal forms of the quadratic systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
hexagonal pyramids of the 1st order ,crystal forms of the quadratic and hexagonal systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
dodecahedral/12-sided pyramid ,crystal forms of the quadratic and hexagonal systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
a more complex form including a flat "base" or pinacoid at the top and bottom ,crystal forms of the quadratic and hexagonal systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
a combination of a six-sided prism capped by pyramids ,crystal forms of the quadratic and hexagonal systems - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, red spinel, a rare, exceptionally brilliant gemstone famous for being historically mistaken for ruby vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, jargoon or jacinth is an archaic or niche term for a pale yellow, near-colourless, or smoky brown variety of the mineral zircon, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, bloodstone, also known as heliotrope, is a variety of chalcedony quartz characterized by a dark forest-green base speckled with vibrant red inclusions of iron oxide, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, opal is a captivating, hydrated amorphous form of silica and the traditional birthstone for october, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, citrine is a vibrant, yellow-to-orange variety of quartz, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, peridot a vibrant, yellowish-green gemstone that is the gem-quality variety of the mineral olivine, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, rock crystal is the traditional term for colorless, transparent quartz, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
gemology, cairngorm is a rare, naturally irradiated variety of smoky quartz, vintage illustration - 寶石學 幅插畫檔、美工圖案、卡通及圖標
