Natural Citrine Cathedral Crystal on Metal Base

Amethyst is a quartz containing traces of manganese oxide are responsible for the violet color. Amethyst is usually found in cavities of volcanic rock and is also present in ore corr...

Pyrite (FeS2, iron (II) disulfide) is the most abundant sulfide mineral in the world. It is found literally everywhere, in igneous rocks, metamorphic rocks and in sedimentary rocks. It usually forms cubic crystals, with each crystal having six planes and razor-sharp corners and has a somewhat pale, coppery-yellow metallic luster. The ancient Greeks used pyrite to make fire. If you hit a piece of pyrite with a hard object, sparks will fly. Hence the name, πυρίτης (pyritēs) which means "for fire". For this reason the mineral was also popular for a while in the 16th and 17th centuries. Placing a piece of pyrite against a round file gave you just enough spark to fire a pistol of that era. Although pyrite is still primarily mined to make sulfuric acid, there have been more applications lately. For example, pyrite is found in Lithium batteries and the mineral is also increasingly used in solar panels. In the 1840'smMany of the inexperienced fortune hunters...

110 million years old. Cut into two pieces and placed on a custom made metal base.

Agate is a largely translucent and variety of quartz and subvariety of chalcedony. Agate consists mainly of chalcedony and sometimes in combination with variants of quartz. Think ...

Amethyst is a quartz containing traces of manganese oxide are responsible for the violet color. Amethyst is usually found in cavities of volcanic rock and is also present in ore corr...

240kg (106kg and 101kg are the pieces without the stands). Amethyst is a quartz containing traces of manganese oxide are responsible for the violet color. Amethyst is usually fou...

Natural Coral set on a custom wood base.

20K leaf metal bowl with guinea feathers and jet crystals This tripoint bowl offers a beautiful balance of lines. This bowl has a nice weight to it, it feels substantial in the ha...

A stunning decorative mineral specimen, composed of a rock crystal butterfly with brass body, on a pink geode obelisk on black marble base. A beautiful acc...

A freestanding A-grade quartz (rock crystal) point. The stunning natural composition of smaller clusters around the large central point makes this a real statement piece. One of the finest shelf sized crystal clusters we have ever held in our collection. About Since 1986 Dale Rogers...

Beautiful 20th century French vintage model made with rattan on a metal base. Can be removed from the base. Perfect condition. Very nice quality.

Rare floor model globe made by Weber Costello, circa 1900. The 12" globe rests on a folding metal base. This example is in very good, original condition, showing only light wear, nor...