Is the conjunction of Venus and Mercury a dhan (money) yoga for a Gemini Ascendant in the first house?

Yes, absolutely! If you are a Gemini ascendant and you have Venus and Mercury sitting together in your 1st house, you are sitting on a goldmine of a combination known as a Dhana Yoga (Wealth Yoga).

Mercury and Venus are natural best friends in astrology. For a Gemini, Mercury rules your identity (1st house) and your stability/assets (4th house), while Venus rules your intellect and speculative gains (5th house). When they team up in your 1st house, they blend Mercury's sharp business wit with Venus's luxury, charm, and creative brilliance. This makes you highly articulate, charismatic, and naturally capable of building immense wealth using your intellect. Plus, since Venus also rules your 12th house, a lot of your prosperity will flow beautifully from foreign countries or global ventures.

If your chart also features a strong Moon and Sun, or if they are blessed by a gaze from Jupiter, this upgrades into a Maha Dhani Yoga (Supreme Wealth Alignment). You can see a similar magical wealth effect if your 2nd house lord (wealth) and 11th house lord (gains) swap places.

Just keep in mind that if this Mercury-Venus pairing faces harsh aspects from malefic planets, or if your overall wealth houses are under stress, you might have to work a little harder to fully unlock this financial potential.